成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">34、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">设二维随机变量</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1135" type="#_x0000_t75" style='width:140.4pt;height:19.2pt' o:ole=""> <v:imagedata src="xxdsb08.files/image188.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="187" height="26" v:shapes="_x0000_i1135" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image189.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1135" DrawAspect="Content" ObjectID="_1604819091"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">，且</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1136" type="#_x0000_t75" style='width:14.4pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image183.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="19" height="17" v:shapes="_x0000_i1136" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image127.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1136" DrawAspect="Content" ObjectID="_1604819092"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">与</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1137" type="#_x0000_t75" style='width:11.4pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image184.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="15" height="17" v:shapes="_x0000_i1137" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image185.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1137" DrawAspect="Content" ObjectID="_1604819093"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">相互独立，则（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">7、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">设</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"></v:stroke> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"></v:f> <v:f eqn="sum @0 1 0"></v:f> <v:f eqn="sum 0 0 @1"></v:f> <v:f eqn="prod @2 1 2"></v:f> <v:f eqn="prod @3 21600 pixelWidth"></v:f> <v:f eqn="prod @3 21600 pixelHeight"></v:f> <v:f eqn="sum @0 0 1"></v:f> <v:f eqn="prod @6 1 2"></v:f> <v:f eqn="prod @7 21600 pixelWidth"></v:f> <v:f eqn="sum @8 21600 0"></v:f> <v:f eqn="prod @7 21600 pixelHeight"></v:f> <v:f eqn="sum @10 21600 0"></v:f> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path> <o:lock v:ext="edit" aspectratio="t"></o:lock> </v:shapetype><v:shape id="_x0000_i1028" type="#_x0000_t75" style='width:54.6pt; height:15.6pt' o:ole=""> <v:imagedata src="xxdsb06.files/image001.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="73" height="21" v:shapes="_x0000_i1028" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image002.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1028" DrawAspect="Content" ObjectID="_1604818888"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">，则（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">36、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">关于特征值与特征向量以下说法正确的是（</span><span style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> </span><span style="font-size:12.0pt;line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-font-kerning: 0pt">）</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">37、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">若连续型随机变量</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1047" type="#_x0000_t75" style='width:14.4pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image045.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="19" height="17" v:shapes="_x0000_i1047" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image002.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1047" DrawAspect="Content" ObjectID="_1604819002"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">的分布函数</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:40.0pt;mso-text-raise:-40.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1048" type="#_x0000_t75" style='width:153pt;height:86.4pt' o:ole=""> <v:imagedata src="xxdsb08.files/image046.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="204" height="115" v:shapes="_x0000_i1048" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image047.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1048" DrawAspect="Content" ObjectID="_1604819003"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">，则常数</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1049" type="#_x0000_t75" style='width:36.6pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image048.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="49" height="21" v:shapes="_x0000_i1049" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image049.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1049" DrawAspect="Content" ObjectID="_1604819004"> </o:OLEObject> </xml><![endif]--><span style="mso-spacerun:yes"> </span></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">的取值为（</span><span style="font-size: 12.0pt"> </span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">2、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_57" o:spid="_x0000_i1079" type="#_x0000_t75" style='width:228pt;height:30.6pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds01.files/image055.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="304" height="41" v:shapes="图片_x0020_57" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image055.png"> <!--[endif]--></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">24、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">已知</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1057" type="#_x0000_t75" style='width:150pt;height:18.6pt' o:ole=""> <v:imagedata src="xxdsb10.files/image054.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="200" height="25" v:shapes="_x0000_i1057" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image055.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1057" DrawAspect="Content" ObjectID="_1604906033"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">，则</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1058" type="#_x0000_t75" style='width:59.4pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb10.files/image056.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="79" height="21" v:shapes="_x0000_i1058" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image057.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1058" DrawAspect="Content" ObjectID="_1604906034"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">8、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">设总体</span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:2.0pt;mso-text-raise: -2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1275" type="#_x0000_t75" style='width:10.8pt;height:9pt'> <v:imagedata src="xxdsb10.files/image406.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="12" v:shapes="_x0000_i1275" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image341.png"> <!--[endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">的概率密度为</span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:15.0pt;mso-text-raise:-15.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1276" type="#_x0000_t75" style='width:124.8pt;height:34.8pt'> <v:imagedata src="xxdsb10.files/image407.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="166" height="46" v:shapes="_x0000_i1276" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image408.png"> <!--[endif]--></span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:6.0pt;mso-text-raise: -6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1277" type="#_x0000_t75" style='width:73.2pt;height:16.8pt'> <v:imagedata src="xxdsb10.files/image409.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="98" height="22" v:shapes="_x0000_i1277" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image410.png"> <!--[endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">为来自总体</span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1278" type="#_x0000_t75" style='width:10.8pt;height:9pt'> <v:imagedata src="xxdsb10.files/image406.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="12" v:shapes="_x0000_i1278" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image341.png"> <!--[endif]--></span><span lang="EN-US" style="font-size:12.0pt"><span style="mso-spacerun:yes"> </span></span><span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">样，</span><span lang="EN-US" style="font-size:12.0pt; position:relative;top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1279" type="#_x0000_t75" style='width:10.8pt;height:10.8pt'> <v:imagedata src="xxdsb10.files/image381.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="14" v:shapes="_x0000_i1279" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image411.png"> <!--[endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">为样本均值，则</span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1280" type="#_x0000_t75" style='width:39.6pt;height:16.8pt'> <v:imagedata src="xxdsb10.files/image412.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="53" height="22" v:shapes="_x0000_i1280" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image413.png"> <!--[endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">23、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_131" o:spid="_x0000_i1153" type="#_x0000_t75" style='width:167.4pt;height:65.4pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds01.files/image129.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="223" height="87" v:shapes="图片_x0020_131" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image129.png"> <!--[endif]--></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">16、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_106" o:spid="_x0000_i1128" type="#_x0000_t75" style='width:441pt;height:47.4pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds01.files/image104.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="588" height="63" v:shapes="图片_x0020_106" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image104.png"> <!--[endif]--></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">19、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">设</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1208" type="#_x0000_t75" style='width:38.4pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image312.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="51" height="21" v:shapes="_x0000_i1208" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image313.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1208" DrawAspect="Content" ObjectID="_1604819164"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">是随机向量</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:5.0pt;mso-text-raise: -5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1209" type="#_x0000_t75" style='width:34.2pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image314.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="46" height="21" v:shapes="_x0000_i1209" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image301.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1209" DrawAspect="Content" ObjectID="_1604819166"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的联合分布函数，则关于</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:2.0pt;mso-text-raise: -2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1210" type="#_x0000_t75" style='width:14.4pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image315.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="19" height="17" v:shapes="_x0000_i1210" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image316.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1210" DrawAspect="Content" ObjectID="_1604819167"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的边际分布函数</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"> <o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative;top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1211" type="#_x0000_t75" style='width:31.8pt;height:18.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image317.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="42" height="25" v:shapes="_x0000_i1211" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image318.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1211" DrawAspect="Content" ObjectID="_1604819168"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">为（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>