说明：  有100个数据点,知道x,y,z的坐标,用命令把这些点拟合成空间的曲线?看点的分布应该是螺旋线,得出一个表达式来表达曲线,有程序
(Has 100 data points, know that x, y, z coordinates, using the order of these points to be synthetic curve space? Highlight the distribution should be a spiral line, derived an expression to express the curve, the procedure has)