spring rate

• 弹簧刚度,弹簧比率,弹簧应变率,弹簧刚性系数

spring rate的用法和样例：

例句

1. Populations tend to grow at an exponential rate.
   人口趋向于以指数比率增长。
2. What is the Bachelor's degree rate of Beijing?
   北京市人口的大学文凭比率是多少？
3. The maximum current speed and SSC occour during spring ebb, and the minimum one occours during neap flood.
   最大流速和含沙量都发生在大潮落潮，最小流速和含沙量都发生在小潮涨潮。