| 释义 |
组合zǔhé
1.组织成为整体{make up; compose; constitute}:
这本集子是由诗、散文和短篇小说三部分～而成的。{This collection is made up of three parts:
poems, essays and short stories.}
2.组织起来的整体{association; combination}:
劳动～(工会的旧称){labour association (the old name for trade union)}|词组是词的～。{A phrase is a group of words.}
3.由m个不同的元素中取出n个并成一组,不论次序,其中每组所含成分至少有一个不同,所得到的结果叫做由m中取n个的组合。如由ɑ,b,c,d中取3个的组合有ɑbc,ɑbd,ɑcd,bcd四组。组合数用C来表示,公式是C=m(m-1)(m-2)…(m-n＋1)/1×2×3×…×n。{combination; any of the various groupings, or subsets, of n elements out of m elements, without regard to order of the elements, and each grouping must contain at least one different element, and the result is called combinations of n elements out of m elements. For example, triple combinations of ɑ, b, c and d are ɑbc, ɑbd, ɑcd and bcd. The number of the combinations is expressed by C, and its formula is C=m(m-1)(m-2)…(m-n＋1)/1×2×3×…×n.} |