beam intensity

例句：

1. 1.The beam intensity of the laser is measuredin watts per square centimeter.
   激光的光束强度以每平方厘米瓦特为单位测量。
2. 2. Thebeam intensity of the lightsource can affect the accuracy ofthe measurement.
   光源的光束强度会影响测量的准确性。
3. 3. The beam intensity of the laseris crucial for precise cutting and welding.
   激光的光束强度对于精确切割和焊接至关重要。