“civil air-defence engineering”的概念、定义、翻译、参考文献-科学参考

单词	civil air-defence engineering
释义	civil air-defence engineering Encyclopedia 工学人防工程释 civil air-defence engineering人防工程为防范或减轻战争危害，保护国家和人民生命财产安全，按预定防护要求修建的人民防空用途的防护工程。全称人民防空工程，又称人防工事，其他国家称民防工程。
随便看	valence bond structure valence bond theory valence-bond theory valence controllable semiconductor valence correspondence valence crystal valence deflection angle valence electron valence electron approximation valence fluctuation valence instability valence isomerism valence-matching principle valence nucleon valence number valence of an atom valence quark valence shell electron pair repulsion valence shell electron pair repulsion theory valence-shell electron-pair repulsion theory valence shell electron pair repulsion theory, VSEPR valence state valence tautomerism valence tautomerization valence universal approach

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