excess of hour angle increment 时角增量超差
rate of drift angle increment 漂角增长率
Increment angle 增量角 ; 齿端角
increment of hour angle 时角的增量
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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