设计阶段

Dynamic design is an active and positive method which takes librate restraining into account during the course of design.

动态是一种阶段就考虑抑止振动的主动、积极的措施。

When this method is applied to the spiral bevel gears of an airplane engine, the results show that it is more reasonable than TCA and the precontrol method.

提出了一种初始阶段就可保证弧齿锥齿轮具有期加载接触性能的主动方法，并将其用于某航空发动机中央传动弧齿锥齿轮的齿面综合。