- 释义：
- n.不稳定
- 例句：
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The unsteadiness of air becomes prohibitive only if instruments with large focal length are used.
只有在使用长焦距的仪器时,才不允许空气的不稳定.
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Pendulum is a unlinear, coupling, variable and natural unsteadiness system.
倒立摆系统是非线性 、 耦合 、 变量和自然不稳定的系统.
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Improper precipation may cause quicksand and result in foundation pit unsteadiness.
由于降水不慎,可能产生流砂,导致基坑失稳.
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