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- tangent of lead angle 导程角切线
- 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（球）距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。
- Value containing the tangent of an angle. 值,此值包含角度的正切。
- The reciprocal of the tangent of an angle in a right triangle. 余切直角三角形中角的正切的倒数
- The tangent of the complement of a directed angle or arc. 余切有方向角或弧的补角的正切
- Returns the hyperbolic tangent of the specified angle. 返回指定角度的双曲正切值。
- A ball of lead will weigh down an equal bulk of feathers. 一个铅球要比同样大小的羽毛团重。
- A border or rim of lead, as around a windowpane. 铅框一铅制边界或框，如围在窗玻璃格四周的
- Tan() returns the tangent of the arg parameter. tan()返回参数arg的正切值。
- An alloy composed of lead, tin, and zinc. 铅锡锌化合物由铅、锡和锌组成的一种合金
- Calculates the inverse hyperbolic tangent of two. 结构的反双曲正切值。
- Returns the tangent of a number. 返回一个数的正切。
- Determination of Lead Angle of Fuel Cam on MBD Type Fuel Pump MBD机型燃油泵凸轮安装提前角的确定
- Detection of Lead Angle Information in Stepping Motor 步进电机超前角信息的检测
- Computes the tangent of the specified argument (in radians. 计算指定参量的正切（按弧度）。
- Choice of Lead Angle and Design of Tooth Direction of High Speed Helical Gears 高速斜齿轮螺旋角的取值与旋向结构设计
- We to ed the leak i the ga ipe y mea of lead. 我们用铅堵塞了煤气管上的漏洞。
- The tan() function returns a number that represents the tangent of an angle. 函数的作用是：返回一个数字所对应的正切值。
- Study of Lead Angle Guidance Method Based on Football Robot Intercept Action 基于足球机器人截球动作的提前角导引算法研究
- One of leading families has show a rivalrous attitudes the others. 主要家族中的一家曾封其他家族显示敌对的态度。
