图示等直圆轴AB由AC和CB两段组成，若AC段的切变模量为G，CB段为刚性轴，则相对扭转角
有四种答案
A:
B:
C:
D:
有四种答案A:
B:
C:
D:
举一反三
- <img src="http://p.ananas.chaoxing.com/star3/origin/560b9590e4b040cfea1a582d.png"/> <img src="http://p.ananas.chaoxing.com/star3/origin/560b9591e4b040cfea1a582e.png"/> <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593498ed981287fd9e9.png"/>()， <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593498ed981287fd9ea.png"/>()； <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593498ed981287fd9ec.png"/> <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593e4b040cfea1a5830.png"/>()， <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593498ed981287fd9ea.png"/>()
- 图示应力状态，按第三强度理论校核，强度条件为（ ）。<img src="http://p.ananas.chaoxing.com/star3/origin/dd3fe2c04248453f934a5bf078c2096b.png"/> A: <img src="http://p.ananas.chaoxing.com/star3/origin/008fe5632455993a70b7aa9bf29fb1ef.jpg" /> B: <img src="http://p.ananas.chaoxing.com/star3/origin/9ffd49637b4c58b1fa85151ed63de699.jpg" /> C: <img src="http://p.ananas.chaoxing.com/star3/origin/5b8e6c02b33bd63b6fd0f121449e26b0.jpg" /> D: <img src="http://p.ananas.chaoxing.com/star3/origin/4896125577fc13ab75d592f1f3511baa.jpg" />
- 下列符号表示两拍的是 A: <img src="http://p.ananas.chaoxing.com/star3/origin/fc00ca0cec8dd427dc15fc2958c82fba.jpg" /> B: <img src="http://p.ananas.chaoxing.com/star3/origin/2ab1bae8cce890765fe35f350c9da3a3.jpg" /> C: <img src="http://p.ananas.chaoxing.com/star3/origin/c161896591ea673a7e87bf05823878e9.jpg" /> D: <img src="http://p.ananas.chaoxing.com/star3/origin/f4d74c1de4a91f83bc4349e158eeeb08.jpg" />
- 选出a和声小调的属七和弦？ A: <img src="http://p.ananas.chaoxing.com/star3/origin/2380e2043b046aff59d1cbf5a9f3f65b.jpg"/> B: <img src="http://p.ananas.chaoxing.com/star3/origin/22bb862d2805bb736b32dba57e4fb72a.jpg"/> C: <img src="http://p.ananas.chaoxing.com/star3/origin/27b98a4d2556f64ede45489dec28e9d3.jpg"/>
- 下面的和声连接哪个是正确的？ A: <img src="http://p.ananas.chaoxing.com/star3/origin/afb63329872ba3fffe9ea4d739fe8f02.jpg"/> B: <img src="http://p.ananas.chaoxing.com/star3/origin/1eb01898a7c50336ff31060e4e1beafb.jpg"/> C: <img src="http://p.ananas.chaoxing.com/star3/origin/84a3d1257ae9204804d97aa14023a347.jpg"/>