英语语法分析

The tranquilization of the labor demand curve is important to the gross unemployment.

劳动力需求相对稳定是总量性失业产生的重要条件。

It is important to keep the immune system development and immune function, tranquilization, regulation.

锌与免疫系统的多种功能有关，对免疫系统的发育、稳定、调节有重要作用。

The structure is compact, zoom distance is short and zoom track is smoothness, The image plane is tranquilization.

结构紧凑， 变焦行程短， 变焦轨迹平滑， 像面稳定。