向量组线性相关，且秩为S，则（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/d5becc625b224a0a87b8d4eeeffb93fc.jpg
举一反三
- 向量组线性相关，且秩为S，则（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/d5becc625b224a0a87b8d4eeeffb93fc.jpg
- 下述结论不正确的是( ). A: 秩为4的<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/9edaba19d446425d97f6229ad4bb4b5e.png"/>矩阵的行向量组线性无关； B: 秩为4的<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/9edaba19d446425d97f6229ad4bb4b5e.png"/>矩阵中存在4个线性无关的列向量； C: 秩为4的<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/9edaba19d446425d97f6229ad4bb4b5e.png"/>矩阵的列向量组线性相关. D: 秩为4的<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/9edaba19d446425d97f6229ad4bb4b5e.png"/>矩阵的任意4个列向量必线性无关；
- 图示结构C截面弯矩为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/4f75b4fba9ff4be1b04a5e100c86c65e.png" /> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/145877d7a442497f9fe1266fa394ba2e.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/1b6f8295e7bc44b0b8a2bee20e062fc4.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/18776e34a7504dfcbe40fbdf73958b14.png" /> D: 0
- 下列尺寸标注正确的是（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/79ed6f04ee2f415c917c9f280eccf07e.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/4677ac7155c849bebe9d2ffd7458f4c4.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/489ad68ff6294831bc43fa08990b59b7.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/e829c514224942f1926c1823be08d3e7.png">
- 下列微分方程中常微分方程的是( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/c24b125c0b534b7696bf33f1e7b98c4c.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/2c9f694c97e9426596d13bed4bd474da.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/7ee1366ebe7a40aa868a143ba15c6ed0.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/d46e4fa33ea0443a938c267c2f07c6b4.png">