英语语法分析

The importance of orthographical knowledge is reconsidered.

重新审视拼写知识的重要性。

Orthographical experimentation was used to search the optimum formula and the best processing condition.

采用正交实验的方法寻求最佳配方和工艺条件。

In the paper orthographical method was used to study the control of smoke generation from poly (vinyl chloride).

本文采用正交实验的方法，研究了聚氯乙烯发烟量的控制。