您要查找的是不是：
- retraction modulus 回复模数
- The accused refused to retract (his statement). 那被告拒不撤消(其供述).
- The undercarriage on light aircraft does not always retract in flight. 轻型飞机飞行时起落架不一定缩回。
- His retraction predicates a change of attitude. 他的退缩表示他态度有了变化。
- Another basic quantity is the bulk modulus K. 另一个基本的量是体积模量K。
- People with tact have less to retract. 智者悔少。
- To recant or retract something sworn. 食言取消或撤回所发的誓
- To retract(something spoken;unsay. 收回（所说的某些话）；撤回（前言）
- Modulus of elasticity for tension? 拉伸弹性模量?
- Modulus of elasticity of volume? 体积弹性模量?
- A formal statement of retraction. 正式的撤回声明
- Of, relating to, or based on a module or modulus. 模的模的,有关模的或基于模的。
- H4 composite had a better tensile modulus. 拉伸模数H4组成为最佳。
- A cat can retract its claws,but a dog can't. 猫能收缩爪子，狗却不能。
- To retract(an oath, often by swearing another oath. 取消前誓撤回（一个誓言），经常是通过发另外一个誓
- They tried to persuade me to retract my words. 他们试图说服我收回我的话。
- The accused refused to retract . 那被告拒不撤消.
- No straight tool retract marks allowed in bore. 钻孔不准有退刀的直接痕迹。
- I decided to retract what I had said before. 我决定收回前面说过的话。
- So then it was too late to retract. 但一言既出，驷马难追。
