“ultrahigh vacuum”的概念、定义、翻译、参考文献-科学参考

单词	ultrahigh vacuum
释义	ultrahigh vacuum [¦ǝl·trǝ`hī `vak·yǝm] ^PHYSICS A vacuum in which the pressure is of the order of 10^-10 millimeter of mercury or less.
随便看	yellow tellurium Yerkes system yew Y factor Y fitting Y gun yield yield factor yielding arches yielding floor yielding prop yield-pillar system yield point yield rate yield strength yield stress yield temperature yig yig device yig filter yig-tuned parametric amplifier yig-tuned tunnel-diode oscillator Y junction ylang-ylang oil ylem

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