By introducing the original permutation and the region, the conception of single permutation is proposed.

在引入原排列和区的概念的基础上，提出了单排列的概念。

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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。

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Noticing that the Latin square has order like permutation and combination, this paper gives algorithm of searching standard Latin square fellowing this order.

文章根据排列与组合可计数的特点，给出了利用位序法求标准拉丁方的算法。

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I'll just mention that on the mantelpiece in her bedroom reside Boston Terrier tchotchkes of every pose and permutation.

WSJ: At 88, a World Full of Wonders

In 1926 South Beach was flattened by the most destructive hurricane in American history, and the subsequent building boom celebrated every permutation of Art Deco, from Streamline Moderne to Mediterranean.

BBC: A perfect day in Miami

Throughout every permutation that I ran, the tuition variable had a statistically significant and negative effect on partying, meaning that as students pay more in tuition, they are less apt to go out and party.

FORBES: Play Hard, Work Little: Life on America's College Campuses