词汇“PPM”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	PPM
释义	PPMPPM1.■=Parts Per Million 百万分之几, 百万分率;2.■Periodic Permanent Magnet 周期性永久磁铁;3.■Pulse Phase [Position] Modulation 脉冲相位[位置]调制;4.■Pulses Per Minute 每分钟脉冲数
随便看	isolation analysis isolation barrier isolation breakdown isolation chamber isolation distance isolation effect isolation experiment isolationism isolationist isolation junction isolation masking isolation medium isolation mounting isolation of microbes isolation of noise isolation of patients isolation of traction motor isolation parameters isolation structure isolation technics isolation technique isolation transect isolation transformator isolatism isolator

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