医院卫生管理制度汇编:each of those three years是什么意思?

each of those three years是什么意思? what are some of the major power of each of the three branches of the U.S. government three conquest of british the three of 和 three of 有什么区别？ 《Romance of the three kingdom》 each of 与 any of 的辨析 Language belongs to each one of us..... Each of them has a dictionary. At the end of each successful investigation... each of 后跟单数还是复数??