| 释义 |
光度guāngdù
1.光源所发的光的强度。通常以烛光为单位。{luminosity; intensity of light produced by a light source, usu. using candle light as a unit}
2.恒星的真实亮度,用整个恒星的表面每秒钟放出的能量来表示。{true luminosity of a star, indicated by the energy released by the surface of the whole star per second} |