[机] aerial photographic surveying, aerialphotogrammetry
kōng zhōng zhào xiàng cè liáng ㄎㄨㄥ ㄓㄨㄥ ㄓㄠˋ ㄒㄧㄤˋ ㄘㄜˋ ㄌㄧㄤˊ