Realization of high-resolution visible earth observation on geostationary earth orbit Officials from Greenwich OBservatory have the clock checked twice a day. 实现同步轨道(GEO)高分辨力对地观测的技术途径(下)格林威治天文台的高级职员每天把大钟校对两次。
During helicopter power line inspection tour, observation equipments, including infrared cameras, digital video cameras, high-resolution telescope, and visible light VCRs, etc. 在我国的直升机巡线试验中,多采用红外线摄影仪、数码摄像机、高分辨望远镜、可见光录像机等设备作为观测工具。