N the angle between the direction of the refracted ray and the direction of the incident ray when a ray of light passes from one medium to another 偏差角
Since there is deviation of gear angle, gear box may be damaged while starting engine.
但由于变速箱内啮合角度的偏差，起步驱动时会造成变速箱损坏。
The touch point deviates eastward with respect to the central normal of the shock source, and the deviation Angle increases during the outward propagation of the shock system.
上述切触点相对激波源中心法线东偏，且东偏角度在激波系统向外传播过程中不断增加。
The influence of various factors on the deviation Angle and loss was represented by components.
各种不同因素对落后角和损失的影响以分量的形式表示。
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