Then it is realized and specified by three major constituent parts, i. e. (1)dynamical attributes of ore deposits, (2)fields of ore geology and (3) evolution of ore-forming systems.

然后进一步将其具体化为三大组成部分，即（ 1）矿床的动力学属性，（ 2 ）矿床地质学场，（ 3 ）成矿系统的演化。

youdao

This paper describes the effect of composition and granularity of silica sand on glass quality. Brings forward optimal mix proportion of silica sand from various ore-fields.

阐述了不同产地硅砂搭配使用过程中，硅砂成分及粒度组成对玻璃质量的影响，提出了硅砂最优化搭配方案。

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Manganese ore is a kind of important strategic mineral resources, and it has wide applications in many fields, such as metallurgy, chemical and electronic.

锰矿是一种重要的战略矿产资源，在冶金、化工、电子等工业中被广泛地应用。

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On the West coast, Perth lies at the center of its vast natural gas and iron ore fields that are supplying China with much of the raw material for its factories.

WSJ: Australian Property, Long an Outlier, Joins Decline