light-intensity variation

例句：

1. 1. Thelight intensity variation in the sky has asignificant impact on our daily life.
   天空中的光强度变化对我们的日常生活有重大影响。
2. 2. Theresearch team found that the light intensity variationcould be used to predict weather patterns.
   研究小组发现光强度变化可以用来预测天气模式。
3. 3.The scientist observed that the light intensity variationwas related to the amount of sunlight reachingthe earth's surface.
   科学家观察到光强度变化与到达地球表面的阳光量有关。