Lambert's emission law

例句：

1. 1. The Lambert's emission law states that the intensity of light is directly proportional to the square of the distancebetween the source and the observer.
   兰伯特发射定律表明，光的强度与光源和观察者之间的距离的平方成正比。
2. 2. In physics, the Lambert's emission law is used to describe how light emitted from a point source behaves as it travels through space.
   在物理学中，兰伯特发射定律用于描述从点光源发出的光在空间传播时的行为。
3. 3. This law has been extensively studied in the field of radio engineering, where it is used to calculatethe power output of radio transmitters.
   这一定律在无线电工程领域得到了广泛的研究，用于计算无线电发射机的功率输出。