“nonmetallic ore resource”的概念、定义、翻译、参考文献-科学参考

单词	nonmetallic ore resource
释义	nonmetallic ore resource Encyclopedia 工学矿床工业类型释 nonmetallic ore resource非金属矿产资源分布于地壳，具有经济价值，不具备金属特性，具有满足人类需要的物理、化学性质和工艺特性的矿产资源。
随便看	Urysohn equation Urysohn function Urysohn lemma Urysohn metrization theorem Urysohn operator Urysohn separation axiom Urysohn space Urysohn theorem Urysohn-Tikhonov theorem Uryson USA usability Usability Engineering usability engineering usability expert Usability Heuristics usability laboratory usability research Usability Testing usable usable aperture usable area usable capacity usable direction usable energy

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