lucidshape安装过程，准确的安装，才能使软件更稳定

LucidShape入门指南资料

lucidshape曲线定义Note the curve's sharp turn at (x,y)=(1,0.5) which is enabled by a double knot multiplicity at t=3 (while the curve is smooth at the rest of the knots). To achieve another sharp turn at (x,y)=(1,-0.5), we would have to increase the mul

天气的查询，中匹配的id与城市的关系，用于爬虫进行天气查询的使用