fluctuation怎么记

fluctuation

[ˌflʌktʃʊ'eɪʃn]

n.波动，涨落，起伏，[物]脉动;动摇不定，踌躇;[生]彷徨变异;

复数： fluctuations

例句:

1、

Meanwhile, the frequency fluctuation cna be reduced by 39.6 %.

同时, 频率漂移量减少了39.6%.

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2、

Sometimes temporal fluctuation may take place inthe local velocity.

有时,在局部速度中可能出现瞬时脉动.

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3、

Such grids effectively smooth out the velocity fluctuation above the dense bed.

栅格在密相床层上有效地使速度波动平缓起来.

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