英语语法分析

The cellulase application study has made a great progress recently in China.

我国纤维素酶的应用研究近年来取得了很大进展。

The substrate specificity showed that the alkaline cellulase was an endo type cellulase.

酶的底物特异性表明，该碱性纤维素酶主要为内切型酶。

The effect of cellulase, hemicellulase and pectinase on litchi fruit pulp liquefaction was studied.

研究了纤维素酶、半纤维素酶、果胶酶对荔枝果肉的液化效果。