distribution curve of daylight factor

例句：

1. 1.The distribution curve of the sun's energy is a crucial factor in determining the temperature on Earth.
   太阳能量的分配曲线是决定地球上温度的关键因素。
2. 2. The distribution curve of income shows how wealth is distributed across different social classes.
   收入分配曲线显示了财富如何在不同社会阶层之间分配。
3. 3.The distribution curve of a population can be used to predict future trends and developments in that population.
   人口分布曲线可以用来预测该人口的未来趋势和发展。