organization and combination

• 排列组合

organization and combination的用法和样例：

例句

1. 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。
2. But somewhere along the line, certain apple trees ended up with a combination of genes that made their fruit a bit brighter or sweeter than all the other apples.
   但是逐渐地，某些果树最终还是达到了某种基因的排列组合，使得它们的果实比所有其他的苹果都亮一些或甜一些。