PTM造句怎么写

目的探讨松茸多糖（PTM）对辐*损伤小鼠血清抗氧化系统的保护作用。

The paper describes several main points on which domestically made PTM should upgrade based on the overall analysis of the gap between the domestically made PTM and imported one.

方法：用PTM试剂盒进行定*检测，用天门冬氨*氨基转换酶的常规方法进行定量检测。