“binomial coefficient”的概念、定义、翻译、参考文献-科学参考

单词	binomial coefficient
释义	binomial coefficient [bī`nō·mē·ǝl kō·ǝ`fish·ǝnt] ^MATHEMATICS A coefficient in the expansion of (x+y )_n , where n is a positive integer; the (k+1)st coefficient is equal to the number of ways of choosing k objects out of n without regard for order. Symbolized (nk); _nC_k; C(n,k ); Cnk.
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