英语语法分析

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。

You've got some radioactive isotopic that can spontaneously decay into some other nucleus.

我们有一些放射性同位素，这些同位素会自发变成其他的原子核。

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。