noise equivalent flux

例句：

1. 1. The noise equivalent flux of the sound is measured in decibels.
   声音的噪声等效通量以分贝为单位进行测量。
2. 2. The noise equivalent flux of the light is measured in photons per second.
   光的噪声等效通量以每秒光子数为单位进行测量。
3. 3. The noise equivalent flux of the heat is measured in calories per hour.
   热的噪声等效通量以每小时卡路里为单位进行测量。