·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: light meter photometer
以上来源于: WordNet
N an instrument for measuring the intensity of light, usually by means of a photocell, so that the suitable camera settings of shutter speed and f-number (or lens aperture) can be determined 曝光计 (Also called light meter) [photog]
应用推荐