“beat”的概念、定义、翻译、参考文献-科学参考

单词	beat
释义	beat [bēt] ^PHYSICS The periodic variation in amplitude of a wave that is the superposition of two simple harmonic waves of different frequencies.
随便看	dacite glass Dacromycetales dacryoblennorrhea dacryocyst dacryocystitis dacryon dactylitic Dactylochirotida dactylognathite dactylography Dactylogyroidea dactylopodite dactylopore Dactylopteridae Dactylopteroidei Dactyloscopidae Dactylosporangium dactylosternal dactylozooid dactylus dado dado head dado joint dado plane dadur

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