“mining activity concentration area”的概念、定义、翻译、参考文献-科学参考

单词	mining activity concentration area
释义	mining activity concentration area Encyclopedia 经济学矿业活动集中区释 mining activity concentration area矿业活动集中区在矿产地域分布的自然属性和矿业经济活动地域分布的社会属性的基础上，形成与发展起来的具有特殊性质的地域生产综合体。
随便看	bundle homomorphism bundle homotopy bundle isomorphism bundle-like bundle mapping bundle metric bundle morphism bundle of circles bundle of coefficients bundle of coframes bundle of conics bundle of curves bundle of frames bundle of homomorphisms bundle of lines bundle of l-jets bundle of parallel lines bundle of planes bundle of p-vectors bundle of quadrics bundle of rays bundle of spaces bundle of spheres bundle of tensors bundle orientation

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