beam direction

例句：

1. 1.The beam direction of the laser is precisely aligned with the target.
   激光的光束方向与目标精确对齐。
2. 2. The engineer used a laser beam to cut through the metal.
   工程师使用激光光束来切割金属。
3. 3.The beam direction was crucial for the experiment's success.
   光束方向对于实验的成功至关重要。