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。
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。
During helicopter power line inspection tour, observation equipments, including infrared cameras, digital video cameras, high-resolution telescope, and visible light VCRs, etc.
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