Planar heat sink) be the tangent sphere bundle of a surface V, where(?)

In this paper we shall state precisely the notion of N-decomposition of the tensor functions of type ( r, s) in tangent bundle.

本文精确描述切丛中（r，s）型张量函数N-分解的概念及求法，提出了一个关于分量的定理，计算了（1,2）型情形的N-分解中8个芬斯拉张量场的分量。

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In section 4, the representations which are about local coordinate of the differential dynamic systems on principal bundle and tangent bundle are discussed.

第四节分别选择切丛和主丛作为系统的状态空间，根据它们的特点，建立了切丛和主丛上的微分动力系统并推导出了它们的局部坐标表示。

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Observe connection of tangent bundle through the Differentiable of vector function

从向量函数微分去看切丛上的联络

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In this paper, we give an explicit representation of the Sasaki metric on a vector bundle. In particular, we get Sasaki metric on unit tangent bundle T_1S~ ( 2n+ 1), by which we calculate the volume of the Hopf vector field V_h.

本文给出了矢丛上Sasaki度量的局部表示，特别得到单位切丛T1S~（2n+1）上Sasaki度量的表达式。

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The results show that the motion of the rotor undergoes complicated nonlinear dynamics phenomena, such as period doubling bifurcation, tangent bifurcation and secondary Hopf bifurcation.

结果表明，转子运动呈现倍周期分叉、切分叉和二次Hopf分叉等复杂的非线性动力学现象。

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Iterative Map Construction of Tangent Bifurcation in Current-Mode Boost Converter

电流模式Boost变换器中切分岔迭代映射构造

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The locus of space tangent point and the arc segment of deck at side are obtained based on the above conditions.

在此基础上，求出首圆弧空间切点线和甲板边线的修正段。

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On Relation between Length of Tangent and That of Arc

切线段与弧的长度关系

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Double-tangent arc algorithm for generation of offset parallel curve

利用公切圆弧生成光滑等距曲线算法研究

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The conception of virtual work was modified by defining the tangent of a rotating angle of a cross-section as the rotational displacement and explaining the relationship of forces and displacements as forces not dragging along the displacements.

提出了用截面转角的正切值定义截面的转动位移，并将虚功中力和位移的关系描述为力不随位移拖动的模式。

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Returns the hyperbolic tangent of the specified angle.

返回指定角度的双曲正切值。

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Characteristic on the tangent of dielectric loss angle for coal has been researched by using fractal geometry theory.

利用分形几何理论对煤的介质损失角正切的特征作了深入的探讨.结果表明，煤的介质损失角正切tgδ具有分形特征；

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On the Measurement of Tangent of Dielectric Loss Angle in XLPE Cables

XLPE电缆绝缘介质损耗角正切测试方法的探讨

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Loss, Tangent of the Loss Angle and Equivalent Circuit of Power Capacitor

电力电容器的损耗、损耗角正切和等值电路

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And if he says, "Well, what? how?" you say, "There's a magic word. It's called the tangent of an angle," and leave him alone.

假如他说：“哦，什么？怎么知道？”你说：“有一个神奇单词叫做——正切。”然后你留下他一个人。

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The atanh() function returns the inverse hyperbolic tangent of an angle.

函数的作用是：返回一个指定角度参数所对应的反双曲正切值。

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Calculation of the Applicable Range of Coordinate Corresponding to the Point at Easement Curve by Utilizing Approximate Value of Chord Tangent Angle

利用弦切角近似值计算缓和曲线上点的坐标适用范围

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At unstable state the formula of calculating unstable time using tangent angle is established.

对于失稳的情况，建立了用割线角估算失稳时间的一般公式。

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With the Lagrange multiplier method, the minimum distance of the center of a circle and a quadric surface was provided and the tangency condition of curve and surface was given.

利用拉格朗日乘子法求解二次曲线和二次曲面之间的最小距离，给出了曲线与曲面相切的条件。

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A Study of TANGEAR for Helical Gear Cutting

圆柱斜齿轮双刀盘切齿法的研究

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