Mechanical structure is installed in a precision-guided screw device test platform, stepping motor control through the mirror groupdisplacement to achieve CCD acquisition.
机械结构是一个安装在精密螺纹导引装置上的测试平台，通过步进电机控制反射镜组位移实现CCD采集。
2
As a result the data of the18th group moisture is out of control and found5continuous data of ash content from the10th group had the tendency of displacement.
发现第18组水分数据失控，发现灰分数据从第10组起连续5个数据有位移的倾向。
3
Derived in this paper is the synthesis equation of oscillation-slide group by displacement matrix.