The Catalan numbers also count the number of ways in which ann-gon can be dissected into triangles by nonintersecting diagonals.
加泰隆数又是用不相交的对角线划分几边形成三角形的方式数。
It was later dissected into more than 200 sections and meticulously coded so it could be studied later.
后来它被解剖成超200个部分并仔细编码,以便日后研究。
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