“natural period”的概念、定义、翻译、参考文献-科学参考

单词	natural period
释义	natural period [`nach·rǝl `pir·ē·ǝd] ^PHYSICS Period of the free oscillation of a body or system; when the period varies with amplitude, the natural period is the period when the amplitude approaches zero.
随便看	operating system operating system supervisor operating water level operation operational operational advantage operational amplifier operational analysis operational calculus operational game operational label operational maintenance operational standby program operational unit operational weather limits operation analysis operation analysis chart operation breakdown operation code operation cycle operation decoder operation number operation part operation process chart operation register

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