湿度-能见度指数
humidity-visibility index
中国科学院南海海海洋研究所
South China Sea Institute of Oceanology
academia sinica
大气能见度
visibility
atmospheric visibility
atmosphere visibility
meteorological visibility
大气水平能见度
atmospheric horizontal visibility
大气斜程能见度
Atmospheric slant visibility
灯光能见度弧度
arc of visibility of light
灯光能见度距离
Range of visibilityof the light