A quadrilateral mesh generation algorithm based on cloud data was introduced.

　　介绍了海量空间数据点四边形网格划分算法。

上海419论坛　　A quadrilateral plate bending element by using area coordinate method

上海419论坛　　采用面积坐标的四边形板弯曲单元

　　` Shall we try another figure of the Lobster Quadrille?'

上海419论坛　　我们再跳一节龙虾四组舞好吗？

　　Many a quadrille table was spoiled that memorable evening.

　　在这个令人难忘的夜晚，多少张牌桌给耽搁了。

上海419论坛　　This year we produced quadruple the amount produced in 2002.

　　我们今年的.产量是2002年的四倍。

　　Sales have quadrupled in the last five years.

上海419论坛　　过去五年中，销售额已增长至以前的四倍。

　　The price has quadrupled in the last few years.

　　近几年来价格已经翻了两番。