如图所示体系是几何不变体系。（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/9c879492455f42efb9f884c6a9d2fbcb.jpg
举一反三
- 图示体系是几何_____体系。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/966a05e0f7a54e8aae0f6e03aadaca87.jpg
- 放大电路如图9所示， RF的反馈类型是（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/a7749521401a464cb60fcd5a83682f6a.png
- 对图示对称体系作几何组成分析。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/a45ebfa1bc0347938e1ac84932c90f08.jpg
- 图示体系的几何组成为：( )<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/896a80a0354240f5866df1b6476175eb.jpg"/> A: 有多余约束几何不变体系 B: 无多余约束几何不变体系 C: 瞬变体系 D: 常变体系
- 下列哪味中药为桂枝 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/1ecec46f5cb24d1fba6eda07816fff21.JPG"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/6630610aa0cf4408832ccd382a3263e2.JPG"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/862f3e2a8fb7477cba0e4142b90606da.JPG"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/fb77e5e5386c43739e4ef959765e0dcd.jpg">