mean light curve

例句：

1. 1. The scientists have analyzed the mean lightcurve of the star.
   科学家们已经分析了这颗恒星的平均光度曲线。
2. 2. Themean light curve shows asignificant increase in brightness duringthe night sky observation.
   平均光度曲线显示在夜间天空观测期间亮度有显著增加。
3. 3. The mean light curve isused to estimate the total luminosity of the object.
   平均光度曲线被用来估计该物体的总亮度。