tangent to curve

So, on the unit circle, F is tangent to the curve.

也就是，在单位圆上，F是曲线的切线。

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So, the velocity vector is going to be always tangent to the curve.

速度向量总是与曲线相切的。

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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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The slope of a line tangent to the curve at the point is the marginal function.

需求曲线在这一点上切线的斜率也就是该点的边际函数.

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And, in some cases, for example, if you know that the vector field is tangent to the curve or if a dot product is constant or things like that then that might actually give you a very easy answer.

例如，在某些情况下，如果已知向量场与曲线相切，或者内积是一个常数等等，那么结果将会很简单。

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In this paper, we study a norm denned on tangent vectors to earthquake curves. We show first that the norm of the initial tangent vector to an earthquake curve ht is equivalent to the Thurston norm of the earthquake measure a which determines the curve.

本文研究了定义在earthquake曲线切向量上的范数，首先证明了一条earthquake曲线ht上初始切向量的范数等价于earthquake测度σ的Thurston范数。

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The procedure used to define the derivative has a geometric interpretation which leads in a natural way to the idea of a tangent line to a curve.

微分的定义步骤有一个几何解释，最简单的观念就是一条曲线的切线。

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Then actually there are ways you can use basically differentials and constrained partials to figure out what the tangent vector to the curve is and so on.

然后，可以用微分关系，或受约束的偏微分来表示，曲线的切向量，就是这样了。

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R So, you're asking about whether the delta r is actually strictly tangent to the curve.

你问△，是否完全沿曲线的切线方向。

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Spherical indicatrix of tangent to a curve

曲线切线的球面指标

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