英语语法分析

The survival rates of pathogen in the seed potato inoculated with metalaxyl resistant isolates were 80 0%.

抗性菌株接种的病原菌存活率居中，存活率为80 0 % ；

Objective To screen Metalaxyl residues in importing and exporting plants by direct competitive ELISA method.

目的本研究采用直接竞争ELISA法对进出口植物产品中甲霜灵残留量进行快速筛选。

The method for analysis of metalaxyl-M, its degradation and residue in soil under tropical climate were invested in this study.

建立了精甲霜灵在土壤中的残留分析方法及其在热带气候下在土壤中的消解动态和最终残留。