This system can be divided into two sub-systems: gear CAD system, gear CAPP system.

该系统分为两个子系统：齿轮CAD系统、齿轮CAPP系统。

youdao

The two sub-systems are air data system (ADS) and tactical air navigation system (TACAN).

以塔康系统为例对特定频段导航系统信号进行了分析和模拟。

youdao

The two sub-systems are air data system (ADS) and tactical air navigation system (TACAN).

以塔康系统为例对特定频段导航系统信号进行了分析和模拟。

youdao