英语语法分析

The biodegradability of tapioca starch was studied by using micropopulation symbiotic cocultures.

利用微生物种群共生共培养来研究木薯淀粉的生物降解性。

The results showed that ABR could effectively improve the biodegradability of the mixed wastewater.

结果表明，ABR可有效地改善混合废水的可生化性。

Biodegradability of organic compounds is an important aspect in the technique of biological treatment.

提要有机物生物降解性研究是生物处理技术的一个重要方面。