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perturbations是什么意思

perturbations

n. <正>忧虑( perturbation的名词复数 )，不安，烦恼，<术>摄动；

柯林斯高阶英汉双解学习词典释义

N-VAR

（尤指不常出现的）小变化

A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change.
例句
...perturbations in Jupiter's gravitational field. 木星重力场的微小变化
N-UNCOUNT

（某事引起的）忧虑，不安，烦恼

Perturbation is worry caused by some event.
例句
This message caused perturbation in the Middle East Headquarters. 这则消息在中东总部引起了不安。

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