exit beam deflection

例句：

1. 1. The exit beam deflection of the laser is crucial for accurate measurement.
   激光的出口光束偏转对于精确测量至关重要。
2. 2.The beam deflection caused by the magnetic field was unexpectedly large.
   磁场引起的光束偏转出乎意料地大。
3. 3.The beam deflection angle was measured using a high-precision optical interferometer.
   使用高精度光学干涉仪测量了光束偏转角度。