英语语法分析

Double waveleng UV spectrophotometry was used to measure the drug content of the gelata.

采用紫外双波长法直接测定凝胶剂中克林霉素 ，维甲酸的含量。

Double wavelength UV spectrophotometry was used to measure the drugs content of the gelata.

采用紫外双波长法测定联苯苄唑、新霉素的含量。

UV spectrophotometry and high performance liquid chromatography were used to measure the drug content of the gelata.

采用紫外分光光度法和高效液相色谱法测定凝胶的含量。