输入半径及等分点数便可画出相应的圆并且将等分点两两相连（供初学者参考）-radius and the importation of sub-division will draw the corresponding circle will be broken down and on February 2 points connected (for advanced users)
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001213s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001071s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001344s ]
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