A great amount of statistic work has revealed the mode of occurrence of the gold, its fineness, grain-size, forms and contact relationship with other minerals.
通过大量统计工作，查明了金的赋存状态，金矿物的成色、粒度、形态及嵌连关系等。
A great amount of statistic work has revealed the mode of occurrence of the gold, its fineness, grain-size, forms and contact relationship with other minerals.
通过大量统计工作，查明了金的赋存状态，金矿物的成色、粒度、形态及嵌连关系等。
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