beam sharpening ratio

例句：

1. 1.The beam sharpening ratio of the bridge is critical for its stability.
   这座桥的梁的磨光比对于其稳定性至关重要。
2. 2. The engineer used a special tool to measure the beam sharpening ratio.
   工程师使用特殊的工具来测量梁的磨光比。
3. 3. The beam sharpening ratio was calculated based on the weight and dimensions of the beam.
   梁的磨光比是根据梁的重量和尺寸计算得出的。