光度的英文
英語翻譯
- magnitude
- luminosity
- light intensity
- lightness
- luminous intensity
- intensity of light
實(shí)用例句
- 你用的膠卷感光度是多少？
What's the speed of the film you're using? - 光度計(jì)用來測(cè)量光的性質(zhì)、尤其是光的強(qiáng)度和通量的儀器
An instrument for measuring a property of light, especially luminous intensity or flux. - 光度視網(wǎng)膜亮度單位，相當(dāng)于每平方米有一燭光亮度的表面，通過一平方毫米的瞳孔區(qū)域，到達(dá)視網(wǎng)膜的光線數(shù)量
A unit of retinal illumination, equal to the amount of light that reaches the retina through 1 square millimeter of pupil area from a surface having a brightness of 1 candela per square meter. - 北極星第二星的光度中的一顆星，位于小熊星座把柄的末端，幾乎位于北天極
A star of the second magnitude, at the end of the handle of the Little Dipper and almost at the north celestial pole.
