英语语法分析

Inertial impactor is one of the most important particulate samplers, which is widely used for the atmospheric particulate classification.

惯性冲击器是最重要的颗粒物采样器之一，被广泛用于大气颗粒物的分级采样。

Presently, passive HTO samplers are being widely used abroad. It samples HTO in air based on the principle of gas molecular diffusion and permeation.

目前被动式氚取样器在国外取得了广泛的应用，它是基于气体分子扩散或渗透原理采集空气中氚化水蒸汽（ HTO）样品的一种方法。

Objective To establish a well controlled laboratorial microbial aerosol generation system for evaluating the efficiency of bioaerosol samplers properly.

目的建立可控性强的实验室微生物气溶胶发生系统，用以科学评价空气微生物采样器的采样效率。