deflection
US /dɪˈflek.ʃən/
UK /dɪˈflek.ʃən/

1.
偏转, 挠度, 转向
the action or process of deflecting or being deflected.
:
•
The deflection of the ball off the post saved the goal.
球从门柱偏转救了球门。
•
Engineers studied the deflection of the bridge under heavy load.
工程师研究了桥梁在重载下的挠度。