可保证的

The communication abbacy that assured an earth station thereby but by other 3 grounds stage repeat coverage, assure the dependability of communication.

从而保证了一个地站的通信管区可由其他三个地复覆盖，保证通信的可靠性。

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.

提出了一种在初始设计阶段就可保证弧锥轮具有预期加载接触性能的主设计方法，并将其用于某航空中央传弧锥轮的综合。