生成一系列点的二次回归方程。以读文件方式读取数据，并可自设比例尺显示在屏幕上，然后进行回归，并可进行显著性检验。-generate a series of points of quadratic regression equation. Reading papers to read data, as well as self-imposed scale display on the screen and then return to carry out significant test.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001458s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001110s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000921s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001204s ]
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