“nonproductive sphere”的概念、定义、翻译、参考文献-科学参考

单词	nonproductive sphere
释义	nonproductive sphere 非生产领域
随便看	slow type slow-type analog computer slow type analog computer slow-type electronic analogue computer slow up slow vaporization slow vehicle lane slow-vibration direction slow virus slow-virus infection slow-virus infection of brain slow visual search slow wave slow-wave buncher slow wave circuit slow-wave circuit slow-wave line slow-wave pitch slow wave sleep (SWS) slow wave structure slow-wave structure slow-wave structure to coaxial line coupler slow-wave system slow-wave wavelength sluaghter house tax

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