曲线

连续性 G0-位置连续 G1-切线连续 G2-曲率连续 G3-曲率变化率连续 G4-曲率变化率的变化率连续 C−1: Curves are discontinuous C0: Curves are continuous C1: First derivatives are continuous C2: First and second derivatives are continuous Cn: F

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