目前，一个研究小组打算通过对比月球和地球岩石中氯的两种同位素，或两种形式的氯来解决这个疑团。
Now, a team has attempted to solve the mystery by comparing the ratio of two isotopes, or forms, of chlorine in lunar and terrestrial rocks.
利用同位素对矿物质zh锶(这种矿物由人体从植物中吸收)的对比发现，他应该在地中海地区出生并长大。
And an isotopic comparison of the mineral strontium, which is absorbed by the body from plants, revealed that he was born and grew up in the Mediterranean.
根据片钠铝石稳定同位素组成，对比分析片钠铝石的碳来源。
The origin of dawsonite is emphatically contrasted and analyzed by stable isotope composition of dawsonite.
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