abundance of the elements

基本解释

There is an argument to express them in ground level abundance of the respective elements.
有理由把它們用相應元素的地平豐度來表示。
The rate at which massive stars form drops sharply as you venture outward from the Milky Way’s center, and the abundance of heavy elements falls with them.
你越往星系中心走，大質量恒星形成的難度就上陞得越快，重元素的豐度也隨之下降。
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。