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	reduced correlation matrix reduced cost coefficient reduced data reduced density reduced dimension observer reduced distribution function reduced ejection period reduced equation reduced extremal distance reduced eye reduced factor reduced fare ticket reduced fertilization reduced flange reduced flow reduced form reduced height reduced hemoglobin reduced [high] viscosity starch reduced homology group reduced impedance reduced incidence matrix reduced join reduced latitude reduced lattice

国际大辞典收录了835600条英语、德语、日语等多语种在线翻译词条，基本涵盖了全部常用单词及词组的翻译及用法，是外语学习的有利工具。