The geometric meaning of the parameter is the mono increasing distance along the curve path.

这里三次样条函数中参数几何意义是沿曲线路径单调增长的距离。

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The advantage of the proposed spline functions is easy splitting of given curves according to the curve path distance.

这种插值曲线的优点是容易按距离对插值后的曲线作任意分割。

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P1 If we have a curve c, from a point p0 to a point p1 then the line integral for work depends only on the end points and not on the actual path we chose.

如果曲线c，起点为P0，终点为1，那么计算所做功的线积分，只与端点位置有关，而与我们选择的路径无关。

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The included app's well-designed interface shows an animation of your putts and displays a curve indicating the path of your stroke, which can be overlaid against that of a previous, model putt you've chosen.

ENGADGET: 3BaysGSA Putt: a Bluetooth golf gadget that puts eyes in your putter (hands on)

Global Hawk can pick out objects as small as a truck with its synthetic aperture radar, which uses the plane's flight path to simulate the curve of a radar dish several hundred meters long.

FORBES: We See You

That interest rates do indeed follow this gradual path that they will, in market speak, follow the forward curve is crucial for the markets' main players.

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