“expansion wave”的概念、定义、翻译、参考文献-科学参考

单词	expansion wave
释义	expansion wave [ik`span·shǝn ´wāv] ^{FLUID MECHANICS} A pressure wave or shock wave that decreases the density of air as the air passes through it.
随便看	hedenbergite hedeoma oil hedgehog hedgehog round hedleyite hedonic gland hedonism hedonophobia hedreocraton Hedvall effect I Hedvall effect II Hedwigiaceae hedyphane HEED heel heel block heeling adjuster heeling error heeling error instrument heeling magnet heel of a shot heel plate heel post Hefner candle Hefnerkerze

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