[电] coherent light detection and ra-nging

tóng tiáo guāng jiǎn bō hé dìng fàn ㄊㄨㄥˊ ㄊㄧㄠˊ ㄍㄨㄤ ㄐㄧㄢˇ ㄅㄛ ㄏㄜˊ ㄉㄧㄥˋ ㄈㄢˋ