问题详情

用变换投影法求平面的实形和对V面的倾角。


时间:2021-07-18 11:59 关键词: 化工设计 化工制图试卷A

答案解析

<div><br></div><div><br></div><div><img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15066541860141e5957e1024541bbab24d98ad98d2eb3.png" alt="上传图片"><br></div><div><br></div><div><br></div><div><br></div><div><p class="MsoNormal" style="text-indent:5.25pt;mso-char-indent-count:.5"><span lang="EN-US">(1) </span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;; mso-hansi-font-family:&quot;Times New Roman&quot;">评分标准:投影每错一处扣</span><span lang="EN-US">0.5</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family: &quot;Times New Roman&quot;">分,小计四舍五入,线型错误酌情扣分,标注不符合要求酌情扣分。</span></p> <p class="MsoNormal" style="text-indent:5.25pt;mso-char-indent-count:.5"><span lang="EN-US">(2) </span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;; mso-hansi-font-family:&quot;Times New Roman&quot;">评分标准:两次换面,第一次</span><span lang="EN-US">4</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family: &quot;Times New Roman&quot;">分,第二次</span><span lang="EN-US">5</span><span style="font-family: 宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">分。要求投影正确,线型正确。</span></p></div>
(1) 评分标准:投影每错一处扣0.5分,小计四舍五入,线型错误酌情扣分,标注不符合要求酌情扣分。 (2) 评分标准:两次换面,第一次4分,第二次5分。要求投影正确,线型正确。