英语语法分析

In addition, degradation test in soil also proves that the degradable film has good biological degradability.

另外，通过土埋试验也证明了降解薄膜具有较好的生物降解性能。

Due to the special chemical structure of PP, it has more excellent degradability than other polyolefin and PS.

PP自身的化学结构特点使其具有比其它聚烯烃和PS更优异的降解性能。

SEM can be used as the way studying degradability of degradable material and degradation, so as infrared spectrum.

SEM和红外光谱可以作为研究降解地膜降解程度和降解状况的依据。