perturbation怎么记

perturbation

[ˌpɜːtəˈbeɪʃn]

n.<正>忧虑;不安;烦恼;<术>摄动;

复数： perturbations

例句:

1、

temperature perturbations

温度的些微变化

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2、

Based on the perturbation theory a theoretical model for chain like molecules is established.

对链状分子体系用微扰理论建立了理论模型.

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3、

In earlier analysis, was usually treated as a perturbation and was left out.

在前人的分析中, 前端面反射率往往被当作微扰而被有意无意地忽略掉了.

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