通过内置面阵CCD来监测激光光点位置，并利用共轭光路法引导光束到预定位置。

The laser points are monitored by build-in CCD, and directed to preset positions by conjugate light paths.

海上平台已被浮至预定位置时，用水对浮罐的快速灌注。

The rapid filling of flotation tanks with water to tilt an offshore platform that has been floated out into position.

采用特殊设计的传动机构结合PLC控制物体作直线往复运动和在预定位置作自转运动。

Special designed drive outfit and PLC are adopted to control object moving to-and-fro and rotating at prearranged positions.