rate of descend

• 下降率

rate of descend的用法和样例：

例句

1. Suddenly you feel your sink rate increase and the canopy spins to the right.
   突然地你感觉下降率增加且这伞向右旋转。
2. A new method based on the frequency decrease rate for fast identification of site liquefaction from surface acceleration records was presented.
   摘要提出了一个以频率下降率为基本指标的依据强震记录快速识别场地液化的新方法。