The catalan numbers also count the number of ways in which an n-gon can be dissected into triangles by nonintersecting diagonals . 加泰隆数还数计有多少方式来将多边形用不相交的对角线划分成三角形。
The smallest inscribled regular triangle of a triangle 三角形的最小内接正三角形
Analysis of local effect of triangular plate element 三角形板单元的局部效应分析
Some look like cigarettes , and some look like triangles 有些像香烟,有些像三角形
Well , we ' ve got to finish triangulating the dishes , 呃，我们要把天线调节成三角形
Circle , square , triangle , rectangle , and heart 圆形，正方形，三角形，长方形和心形！
For a triangle lists , the first vertex of the triangle 对于三角形列表，三角形
Number of 0 - 1 triangles in edge - coloring of complete graphs 边着色图中的单色三角形
When two ' s company , three ' s the result 两个人的状态是不稳定的,三角形才稳定
A discussion from the triangle with foots of three perpendiculars 从垂足三角形谈起
