一个绘制三次B样条的类，可通过型值点计算控制点，可进行拆分，可计算拟合误差-a cubic B-spline drawing of the category, through point-value calculation control points can be split, translate fitting error
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002785s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003127s ]
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