1·Isotopic analysis of shells allowed geologists to measure another glacial effect.
对贝壳的同位素分析使得地质学家可以测量另一种冰川效应。
2·While initial research was aimed at looking at seasonal variations in diet, the isotopic tests pointed them instead to apparent gender variations.
虽然初始的研究是为了确定其食物随季节的变化，同位素测试让他们发现了明显的性别差异。
3·The variations in isotopic ratios take place on the right time scale, and they mirror those seen in modern corals, he notes.
他说，同位素比例变化所发生的时间范围恰到好处，这与在现代珊瑚中的发现保持了一致。
4·Solar wind samples reveal that Earth, the moon and Mars have different isotopic ratios than the sun, indicating some additional wrinkles in the planetary origin scenario.
对太阳风进行检测发现，太阳的同位素比例与地球、月球和火星不同，说明还有其他的因素参与了行星的起源。
5·This paper, combined with previous data, briefly summarizes the results of isotopic studies of these deposits.
本文结合前人的资料，对这些矿床的同位素研究成果作一概括性总结。