“standard pitch”的概念、定义、翻译、参考文献-科学参考

单词	standard pitch
释义	standard pitch [`stan·dǝrd `pich] ^ACOUSTICS A musical pitch based on 440 hertz for tone A; with this standard, the frequency of middle C is 261 hertz.
随便看	dynamotor dynatron dynatron oscillator dyne dyne-centimeter dyne-cm dynode dypnone dysanalyte dysarthria dysarthrosis dysautonomia dysbarism dyschondroplasia dyscrasia dyscrasite dysentery dysfunction dysgammaglobulinemia dysgerminoma dyshidrosis Dysideidae dyskaryosis dyskeratosis dyskinesia

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