ea earth 中文意思是什麼
ea earth
解釋
地接地-
The plumbum isotope of ores conform the mixture model of three components, the plumbum of earth ' s mantle, the plumbum of upper ea rth ' s crust and the plumbum of strata in the aketishikan gold deposit
阿克提什坎金礦床礦石鉛同位素符合三元混合模型,三端元為地幔鉛、上地殼鉛及地層鉛。
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