Photometer
[fәu'tɒmitә]
解釋/意思:
(noun.) measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source.
阿尔玛編輯--From WordNet
解釋/意思:
(n.) An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.
校對:瓦珥
解釋/意思:
n. an instrument for measuring the intensity of light esp. for comparing the amount of light coming from different sources.—adjs. Photomet′ric -al.—n. Photom′etry the measurement of the intensity of light.
埃塞尔手打