span angle center 基于边细化
in span angle method 档内角度法
in-span angle method 档内角度法
out-span angle method 档外角度法
span end angle method 档端角度法
incidence angle over the span 迎角沿翼展分布
In this paper calculating method of lead angle of helical gear by measuring span length of length bar and base tangent length is put forward and lead angle calculating formula is deducel.
分析齿轮主要参数，提出用测量跨棒（）和公法线长度计算斜齿圆柱齿轮螺旋角的测绘方法，并推导出螺旋角的计算公式。
With the limitations of the maximal bearable bending moment and the positive lifting force, the controlling parameter curves of span and lifting Angle are then acquired to guide the safety operation.
以长桩结构能够承受的最大弯矩和吊点力不为负值作为限制条件，得出安全作业跨距和倾角参数控制曲线。
The rounded angle at the base of the doors of the furniture allows for a continual reading of space from one door to another to the very span of the space.
在圆形的角度在该基地的门的家具都是允许一个无休止的阅读空间从一扇门到另一个非常跨度的空间。
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