the content of trace elements的用法和樣例：
例句
- The content of trace elements in eighteen herbs for clearing away heat and toxic material was detem-ined by atom-absorption spectrometry.
採用原子吸收分光光度法測定了十八種清熱解毒中草藥中人體必需微量元素含量。 - There is a certain internal connection between the content and antiphlogosis of the trace elements in Mongolian Medical Sanzitang.
三子湯散劑中的微量元素含量與其抗炎作用有一定的內在聯繫。
