reflected number

例句：

1. 1. The reflected number of the sun's rays is a crucial factor in determining the temperature.
   太阳光线的反射数是决定温度的关键因素。
2. 2.In physics, the reflected number is used to describe the behavior of light as it passes through a medium.
   在物理学中，反射数用于描述光穿过介质时的行为。
3. 3. The reflected number of electrons in an atom can be used to calculate its atomic mass.
   原子中电子的反射数可以用来计算其原子质量。