Control layer: responsible for system access control, coordination relationship between the model and the view is the core of the systemcontrolunit.
控制层：主要负责系统的访问控制、协调模型和视图间的关系，是系统的核心控制单元。
2
The system consists of two air vehicles and a ground controlunit.
该系统包含两个飞行器和一个地面控制单元。
3
It incorporates active radar with an inertial reference unit and micro-computer system, which makes the missile less dependent upon the fire-control system of the aircraft.