英语语法分析

Method Colorimetry of anthrone-sulfuric acid.

方法蒽酮-硫酸比色法。

By means of anthrone reacion, the content of sugar is 70%.

硫酸一蒽酮法测定其糖含量为70％。

METHODS: Colorimetric analysis, was performed by the anthrone reagent.

方法：采用蒽酮比色法。