photon irradiance

例句：

1. 1. The photon irradiance of the sun is responsible for itsability to warm the earth.
   太阳的光子辐射强度负责其温暖地球的能力。
2. 2. Thescientist used a special device to measure thephoton irradiance of thelight.
   科学家使用一种特殊的设备来测量光的光子辐射强度。
3. 3. The photonirradiance of the light can bemeasured using a spectrometer.
   光的光子辐射强度可以使用分光计来测量。