chemical abundance

基本解释

With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and…
在地殼模型和巖石化學資料基礎上，計算和研究了新疆地殼的平均化學成分和主要元素豐度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and explored.
在地殼模型和巖石化學資料基礎上，計算和研究了新疆地殼的平均化學成分和主要元素豐度。
Analysis about the abundance in different stellar populations is a very important subject in study of the structure and chemical evolution of the Galaxy.
恒星元素豐度是探討銀河系化學縯化的重要探針，分析不同星族成分的元素豐度是研究銀河系結搆和化學縯化的重要課題。

Particularly if equipped with chemical or biological weapons (which the Syrians and Iranians have in abundance), such missiles would pose a mortal threat to Israel and her people.
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