英语语法分析

There is influence of Adrenomimetic Drugs and Antiadrenergic Drugs on rat by recording the blood pressure, through which we analysed the mechanisms of these drugs.

通过记录拟肾上腺素药、 抗肾上腺素药对大鼠血压的影响，以研究该两类药物影响血压的作用机理。