一个特定元素的同位素具有相同的化学特征，但在物理性质上有一些细微差异。
The isotopes of a given element have the same chemical properties but slightly different physical properties.
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。
While initial research was aimed at looking at seasonal variations in diet, the isotopic tests pointed them instead to apparent gender variations.
今年3月，通过对冰岛一带贝壳的研究发现，其硬壳氧同位素的水平会随水温的变化而产生差异。
A study this March of clamshells taken from Iceland found that the levels of oxygen isotopes in the shell layers varied depending on the temperature of the water in which they formed.
应用推荐