词条„abundance ratio“在英语 » 德语中的译文

aˈbun·dance ra·tio 名词 核物

abundance ratio

Isotopenhäufigkeitsverhältnis nt

单语范例（未经PONS编辑处理）

英语

A gas with cosmological abundances of hydrogen and helium is much more transparent than gas with solar abundance ratios.

en.wikipedia.org

This means that this star most likely preserves the elemental abundance ratios produced by a first-generation massive star.

www.astronomy.com

The lack of a deep convection zone would mean that the outer layers would retain higher abundance ratios of these heavy elements.

en.wikipedia.org

One piece of evidence comes from the measured hydrogen/helium abundance ratio in the universe.

theconversation.com