directly proportional to中文什么意思

正比于

• directly:    adv. 1.径直的；直接地。 2. ...
• proportional:    adj. (成)比例的；相称的，平衡 ...
• be directly proportional to:    与...成正比例

例句与用法

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1. The rate of change of velocity, for a given body, is directly proportional to the exerted on it .
   对于一个物体，其速度的变化率与它所受的力成正比。
2. The pressure in a perfect gas, being directly proportional to the kinetic energy of the molecules, has a lower bound of zero .
   理想气体的压力与分子的动能成正比，它的下限为零。
3. The elongation of a body in tension above its no-load length is directly proportional to the stretching force .
   物体在拉伸状态下，其伸长量（相对于无负荷时的长度）与拉伸力成正比。
4. Law3 ： learning is directly proportional to the amount of fun you have
   学习是与自己本身的喜好度成正比。
5. Port closure directly proportional to stem travel for throttling
   端口关闭与阀杆运动成正比例，适用于节流。