• In this paper base tangent length is put forward and lead angle calculating formula is deduced.

    篇文章提出公法线长度推导超前计算公式

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  • 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,提出测量()公法线长度计算齿圆柱齿轮螺旋测绘方法推导出螺旋角的计算公式。

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  • At any knots, the nearly arc length are precise for the resulting nearly arc length parametric curve, and it has the unit tangent same as that of the real arc length parametric curve.

    所作近似参数曲线插值节点处,近似弧长精确并且具有与精确弧长参数曲线同方向单位矢。

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  • This paper presents two kinds of new methods for setting out circular curve: free angle and tangent length method.

    介绍测设检验曲线方法任意角夹角法和任意切线长支距法。

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  • In order to analyzing the vehicle-track coupling vibration character of infinite length track, a time-varying model of railway tangent track spatial vibration was presented.

    针对无限轨道上车辆轨道耦合振动响应特性建立铁路直线轨道结构空间振动模型

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  • In order to analyzing the vehicle-track coupling vibration character of infinite length track, a time-varying model of railway tangent track spatial vibration was presented.

    针对无限轨道上车辆轨道耦合振动响应特性建立铁路直线轨道结构空间振动模型

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