permutation and combination

基本解释

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。
Results Through all contrast with application in many sorts LED, different permutation and combination and controlling current, its design requirements can be achieved at last.
结果：经过对多种不同LED的应用对比，不同排列组合的对比，不同控制电流的对比，最终使其性能达到了设计要求。
kns50.chkd.cnki.net
The author thinks that, the system structure refers to the permutation and combination among the elements which come from the total of the interactions of the elements in the system.
作者认为系统的结构是指由系统内元素之间相互作用的总和所形成的元素的排列与组合。