直线运动伺服控制 meaning in English

servo control for linear motion

The system is composed of a laser scanning comprehensive measuring instrument , rotate and linear movement servo - control systems , a main fine mechanic system , a main controller , a real time controlling and data processing system by computer
该系统主要由激光扫描综合测量仪、回转与直线运动伺服控制系统、主体精密机械系统、主控制器和计算机实时控制与数据处理等系统组成。