The theodolite designed for measure ship is a special optical equipment based on TV tracking and measuring for the use of navigation orientation system.
船载经纬仪是远洋航天测量船导航定位系统专用光学测量设备。
2
The surface morphology after preferential corrosion along the vertical orientation was observed via an optical microscope.
用光学显微镜观测和分析电火花线切割硅表面沿纵向分层择优腐蚀后的形貌；
3
It is a hot focus in the field of optical measurements to estimate the position and orientation of the object by using the optical image of the object observed.