rate of descend的用法和樣例：
例句
- Suddenly you feel your sink rate increase and the canopy spins to the right.
突然地你感覺(jué)下降率增加且這傘向右旋轉。 - A new method based on the frequency decrease rate for fast identification of site liquefaction from surface acceleration records was presented.
摘要提出了一個(gè)以頻率下降率為基本指標的依據強震記錄快速識別場(chǎng)地液化的新方法。
