substance content

• 物质含量

substance content的用法和样例：

例句

1. Results showed that the Rhodiola from Yunnan had the highest flavones content.
   结果表明，云南产红景天中黄酮类物质含量较高。
2. Conclusion Plasma medium molecular substance content increases in functional constipation patients.
   结论功能性便秘患者血浆内中分子物质含量增加。