candela 的定义
Optics.
- a basic unit of luminous intensity in the International System of Units, formally defined as the luminous intensity of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity of 1/683 watt/steradian: adopted in 1979 as the international standard of luminous intensity. Abbreviation: Cd
更多candela例句
- From the top of the Loma de Candela, a beautiful view of the valley below spreads out towards the south.
- We then, guided by Candela, hurried forward on our journey, keeping a sharp look-out lest the fugitive Indians should return.
- Of course the padre wished to know how it was I had found Candela; so I gave him a full account of all that had happened.
- Candela now pushed on at a rapid rate, till we saw the light of our camp-fire a short distance off.
- Calling Candela, he led him some way down the valley towards a grove of trees, among which were a great variety of creepers.