成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-top:.5pt;tab-stops:296.95pt 329.95pt">32、<span lang="EN-US">LCD1602</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">模块的</span><span lang="EN-US">RS=0</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">，</span><span lang="EN-US">R/W=0</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">，表示（</span><span lang="EN-US"> </span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">）。</span><span lang="EN-US" style="font-size:10.0pt; mso-bidi-font-size:12.0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">39、<span lang="EN-US">89C51</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">是以下哪个公司的产品？（</span><span lang="EN-US"> </span><span style="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; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">1、 <span style="font-family:Microsoft Yahei;color:windowtext;">制造形状复杂的刀具一般宜选用硬质合金。</span><span style="color:windowtext;"> </span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;layout-grid-mode:char">7、<span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">金属切削加工后，表面层金属会产生残余应力。不管是拉应力还是压应力都有害。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;tab-stops:-10.5pt">24、<span style="mso-bidi-font-size: 10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">在装配尺寸链中，封闭环一般是指装配精度要求。因此，在修配装配法中，修配环就是尺寸链的封闭环。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] 4、选择定位基准时，应遵循“基准重合”原则，以保证加工精度。“基准重合”是指加工过程中尽量选择同一个基准为定位基准。
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan">12、<span style="mso-bidi-font-size:10.5pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">表面粗糙度对零件的耐磨性影响很大。因此，无论什么条件下，为提高零件的耐磨性，应尽量降低零件的表面粗糙度。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] 15、金属切削加工后，表面层金属会产生残余应力。不管是拉应力还是压应力都有害。（ ）
- 2022-09-12 [判断] 2、工件的残余应力一般不会影响加工精度。（ ）
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;layout-grid-mode:char">26、<span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">单件小批生产通常采用“工序分散”原则。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>