constituent content的用法和樣例：
例句
- How to identify gushing water sources of mines depending on the content of standard components of ions in the water is a important subject.
如何依據礦井突水的標型組分含量來識別其水源所在的水文地質類別是一個很有意義的課題。 - Results shows that it is of important to online prediction of component content in rare earth separation process by countercurrent extraction.
研究結果對稀土萃取過程組分含量在線測量具有重要意義。
