“vacuum”的概念、定义、翻译、参考文献-科学参考

单词	vacuum
释义	vacuum [`vak·yǝm] ^PHYSICS 1. Theoretically, a space in which there is no matter. 2. Practically, a space in which the pressure is far below normal atmospheric pressure so that the remaining gases do not affect processes being carried on in the space. ^{QUANTUM MECHANICS} The lowest possible energy state of a system, conceived of as a polarizable gas of virtual particles, fluctuating randomly.
随便看	vertical illuminator vertical-incidence transmission vertical instruction vertical intensity vertical intensity variometer vertical interval reference vertical jet vertical launch vertical lead vertical-lift bridge vertical-lift gate vertical linearity control vertically stacked loops vertical metal oxide semiconductor technology vertical obstacle sonar vertical or short takeoff and landing aircraft vertical oscillator vertical parity check vertical pitch vertical polarization vertical-position welding vertical recording vertical redundancy check vertical resolution vertical retort process

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