英语语法分析

The VIF was feasible as a transitional technology to reduce the applied dosage of methyl bromide;

不透气膜（VIF）作为一种减少甲基溴施用量的过度性替代技术也是可行的；

Nt-VIF gene was cloned from tobacco and expressed in potato to inhibit the accumulation of reducing sugars and enhance the processing quality.

克隆烟草液泡转化酶抑制子基因，并在马铃薯中表达，从而抑制低温贮藏块茎还原糖积累，提高马铃薯加工品质。

Two times experiments of dosage reduction of methyl bromide(MB) and covering virtually impermeable film(VIF) were carried out in Qingzhou city(Shandong province, China) from 2001 to 2003 year.

2003年在山东省青州市温室中进行了2次减量甲基溴、覆盖不透膜（VIF膜）土壤消毒试验。