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	by Jupiter ! by lack of by leaps and bounds by letter by line (=by line and level) byline index by little and little (= little by little) by long odds (=by all odds; by odds) by (main) force by main strength by marriage by means of by mischance by misfortune by mistake by much by mutual consent by my faith By(my) God ! by my halidome By my hood! by my soul by name by nature by night

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