关于图示梁中a点的应力状态是（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/fff83a50aca14ca09e656a1380d010a0.png
举一反三
- 关于图示梁中a点的应力状态是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/fff83a50aca14ca09e656a1380d010a0.png
- 关于图示单元体属于哪种应力状态，正确的是（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/0ce9566380e84711bd3d96d1cceb660a.png
- 关于图示单元体属于哪种应力状态，正确的是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/0ce9566380e84711bd3d96d1cceb660a.png
- 如果图示平面应力状态单元体中的切应力改变方向，则（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/9007aa981ddd485aadc898fc57dc938f.png
- 已知系统和初始条件<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/15eb73651c0a4ae094e6de902b6c21ca.png" />求初始状态激励的响应 ( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/d016acd038b04b699e76c2354357c3d2.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/7a10be8f1ce74599a610fd0b9b9eb195.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/4621f442538946fdb897b89a1461e1e1.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/61b797beffc74a99b91e1934af1372fb.png" />