图示结构EI=常数，用位移法求解时有一个基本未知量。（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/11af4ef45f0a4d318675577be56ce35c.jpg
举一反三
- 图示结构各杆EI为常数，其结点位移基本未知量为_______.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/70a258d18e604274984e72c918f8663b.jpg
- 图示结构位移法基本方程的系数k11= __________EI/l 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/10ed0ec0d2db495ca28f5c24219d52be.jpg
- 图示结构用位移法求解时，D1=FPl3/30EI。 ( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/9a0aa3742ff0473bbf6de006cf264a75.jpg
- 图示两结构中MA相等，EI均为常数。（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f9f5a46d9aae4baea931a1acef7083ea.jpg
- 图示结构用位移法求解可得:http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/f01f10dc5060409aa218af719c2a5450.png