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	geomagnetic surveying geomagnetic variation geomagnetism geomalism geomancer geomancy geomechanics geomedical geomedicine geometer geometric abstraction geometric addition geometric(al) geometrical aberration geometric(al)ally geometrical arrangement geometrical axis geometrical capacity geometrical characteristic geometrical constraint geometric(al) construction geometrical continuity geometrical conversion geometrical cross-section geometrical crystallogphy

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