英语语法分析

The time for precise trajectory design will be reduced greatly when parameters gotten from prelim…

将初步设计获得的参数作为精确设计的初值，能大大缩短精确轨道设计参数的时间。

This paper not only describes the principle of the method, but also introduces the steps in detail, and demonstrates the prelim…

文中不仅描述了该方法的基本思想，还给出了具体的实现步骤和有关试验结果。

With a view to preventing flour dust from explosion in feed mills, the author has determined and made a prelim nary study of its basic characteristics.

从粉尘防爆的观点出发，对饲料粉尘的基本特性进行了测定和初步的研究。