the content of trace elements

• 微量元素含量

the content of trace elements的用法和样例：

例句

1. The content of trace elements in eighteen herbs for clearing away heat and toxic material was detem-ined by atom-absorption spectrometry.
   采用原子吸收分光光度法测定了十八种清热解毒中草药中人体必需微量元素含量。
2. There is a certain internal connection between the content and antiphlogosis of the trace elements in Mongolian Medical Sanzitang.
   三子汤散剂中的微量元素含量与其抗炎作用有一定的内在联系。