• 1. permutation and combination: 排列组合
• 2. properties of permutation and combination: 排列组合的一些特性
• 3. permutation and combination multiplication rule: 排列组合乘法法则

更多释义

• 1.Moreover, permutation and combination are the basis of probability.
  同时，它也是概率的基础。
  dict.yoduao.com
• 2.The data compressing method based on constant grade makes use of permutation and combination theory.
  常数级压缩方法利用排列组合原理，适于压缩字节内容无规律的文件。
  dict.yoduao.com
• 3.Besides, the author understood the rule of negative multiplication completely and studied the problem of permutation and combination deeply.
  另外，萨玛·瓦尔完全理解了负数的乘法法则，并对排列组合问题也有充分的认识。
  dict.yoduao.com

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