Planck intensity

例句：

1. 1. The Planck intensity of the light source is 2000 Watts.
   光源的普朗克强度为2000瓦特。
2. 2.The Planck intensity of the radiation is directly proportional to the energy level.
   辐射的普朗克强度与能量水平成正比。
3. 3.The Planck intensity of the electromagnetic wave is calculated using the formula: E = hν - Bhν^2/c^2, where E is the energy, h is Planck's constant, ν is the frequency, B is the blackbody constant, c is the speed of light, and v is the frequency squared.
   电磁波的普朗克强度通过公式E = hν - Bhν^2/c^2来计算，其中E是能量，h是普朗克常数，ν是频率，B是黑体常数，c是光速，v是频率平方。