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

　　介紹了海量空間數(shù)據(jù)點四邊形網(wǎng)格劃分算法。

　　A quadrilateral plate bending element by using area coordinate method

　　采用面積坐標(biāo)的四邊形板彎曲單元

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

　　我們再跳一節(jié)龍蝦四組舞好嗎？

　　Many a quadrille table was spoiled that memorable evening.

　　在這個令人難忘的夜晚，多少張牌桌給耽擱了。

　　This year we produced quadruple the amount produced in 2002.

　　我們今年的產(chǎn)量是2002年的四倍。

　　Sales have quadrupled in the last five years.

　　過去五年中，銷售額已增長至以前的四倍。

　　The price has quadrupled in the last few years.

　　近幾年來價格已經(jīng)翻了兩番。