excess of hour angle increment 时角增量超差
rate of drift angle increment 漂角增长率
increment of hour angle 时角的增量
Increment angle 增量角
The result showed that the forward slid value increase with cross Angle increment under non-cross rolling.
结果表明：非对称交叉轧制时，前滑值随交叉角增大而增加。
Based on the analysis of the general expression of coning compensation algorithms, a method which USES Angle rate to fit the Angle increment was put forward and verified.
在分析圆锥误差补偿通式的基础上，提出了利用角速率求取角增量的拟合算法，并给出了该算法的数学证明。
Conclusions: the beam Angle and the number of beams have influence upon dose distribution, the dose distribution would be improved for large volume target with the increment of beam number.
结论：照射野方向和照射野的数目对剂量分布有影响，增加照射野的数目可以改善体积较大的病灶的剂量分布。
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