图示体系的计算自由度是（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/2a97c6d088e148a9936ac650262e6474.jpg
举一反三
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/c372e9c97f4e4360aa140c6679d399d7.jpg图示体系是（ ）
- 图示体系是几何（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/9d4b38b743cb4918bac12122ed90f951.jpg
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/6b8c9188bc1c4dbf97234a650b261758.jpg图示体系是几何（ ）
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/deac7a780e704e5189257fcbcfaf1b2b.jpg图示平面体系，多余约束的个数是（ ）
- 圆的半径为r，计算圆的面积正确的是：（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/c19fbad9b7a4479da24ef420164ea0b1.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/e7633147e3cd495fafb844f7a0098c20.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/15264e22e6824870a06d2014e4ba03f5.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/03f2b22667a84b5d83f9364a7ad27e1d.png" />