beam width

例句：

1. 1. The beam width of the laser is very narrow, making it suitable for precise cutting.
   激光的光束宽度非常窄，使其适合精确切割。
2. 2. The beam width of the light source affects the resolution of the imaging system.
   光源的光束宽度影响成像系统的分辨率。
3. 3. The beam width of the laser is measured in micrometers, which is a significant improvement over previous models.
   激光的光束宽度以微米为单位测量，这比之前的模型有显著改进。