定义：新航线同原航线的夹角叫偏离角（TKD—Deviation of Track Angle）。 偏离角的判断：飞机偏在原航线的右侧，偏离角为正；飞机偏在原航线的左侧，偏离角为负。偏航距离一定，未飞距离越短，偏离角越大；反之偏离角越小。 偏离角的计算：偏离角可以根据偏航距离XTK和未飞距离D未通过领航计算尺正切尺计算出。
对其采取有效措施后，使板坯的偏离角纵裂纹发生率由2.77%降低到0.09%。
The rate of slab with longitudinal corer cracks is decreased from 2.77% to 0.09% with the effectual measures.
总结出该型潜艇呈现的独特特征是正横方位目标强度大大高于其它方位，偏离正横的某一方位角也有强烈的回波。
We summarized the particular character of this type submarine, that is the TS in abeam is higher than other bearing and bearing angle departure abeam degree also has intense echo.
当诱导域与试验域之间的色调差增大时，试验目标色觉位移的幅值减小，而色觉位移矢量偏离恒定色调线的偏向角却增大。
When the hue difference increased, the magnitude of color shift in test target decreased, but the deflection Angle of color shift vector from constant hue line increased.
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