efficiency of Latin square

• 拉丁方的效率

efficiency of Latin square的用法和样例：

例句

1. The history of Magic or Latin squares dates back thousands of years, to the pyramids of ancient Egypt, and possibly even further back to the first Chinese dynasties.
   历史上的魔术或拉丁方可以追溯到几千年前，以金字塔的古埃及，甚至可能进一步回第一中国朝代。