下图中粗糙度标注错误的有几处？https://edu-image.nosdn.127.net/FC72032D9CB2DBFDFCFDD44716C21B96.jpg?imageView&thumbnail=890x0&quality=100
举一反三
- 中国大学MOOC: 零件图中表面粗糙度的标注完全正确。http://edu-image.nosdn.127.net/1F87AC74F787AE915E972DF9FE7F29BE.jpg?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 在上述生成https://edu-image.nosdn.127.net/5BB093A91DB4F39A9028F1A7F0BB1109.png?imageView&thumbnail=890x0&quality=100的所有置换的问题中，在搜索树的结点https://edu-image.nosdn.127.net/96D39D5A00286295D7494FEDEB848882.png?imageView&thumbnail=890x0&quality=100处，https://edu-image.nosdn.127.net/1F95EC365E24DFB1277C991DEECA2877.png?imageView&thumbnail=890x0&quality=100的取值范围https://edu-image.nosdn.127.net/34C6A401146D9611BAB32A8D597DE8AC.png?imageView&thumbnail=890x0&quality=100（ ）。
- https://edu-image.nosdn.127.net/3546E7B0BEA83D2C725A5F2CD80A1EF6.jpg?imageView&thumbnail=890x0&quality=100
- https://edu-image.nosdn.127.net/D95D1C88FD17B997E079BB1B4C1D427A.png?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 设某线性电路的单位冲激响应为https://edu-image.nosdn.127.net/42740C7A893EA027EAD1C3A530168119.png?imageView&thumbnail=890x0&quality=100，https://edu-image.nosdn.127.net/CADBA465555ED9687047E00106605E87.png?imageView&thumbnail=890x0&quality=100为输入，则https://edu-image.nosdn.127.net/7DBA57BE4DE0D6ECEEDFBE27B38EBAA7.png?imageView&thumbnail=890x0&quality=100是系统的（ ）响应。