大碰撞假说能够解释月质学的许多方面内容，包括月球核心的大小、密度、月岩的同位素组分等。
The Giant Impact Theory explains many aspects of lunar geology including the size of the Moon'score and the density and isotopic composition of moon rocks.
水的铀同位素组分稳定，并应用混合比例计算了地下水资源量，其结果与常规方法计算结果完全一致。
The uranium isotopic compositions of water are quite stable, and the mixing ratio of water body has been use...
本文研究了张家口南部地区温泉（井）水的氢氧稳定同位素组成及溶解气体组分特征。
The hydrogen and oxygen stable isotopic composition and dissolved gas components of the hot spring (well) water in the southern area of Zhangjiakou are studied.
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