这些沙巴娱乐分为不同的等级，并且各级沙巴娱乐间由于有升降级(Relegation)的规则，这样一个很小的俱乐部也可以爬到整个金字塔的顶端。在英格兰，一共有超过140个沙巴娱乐、480个组别。
基于664个网页-相关网页
整个系统由不同级别的联赛相互承接，总原则便是升降级制度。
The system consists of a hierarchy of leagues, bound together by the principle of promotion and relegation.
NFL和榜单上的其他联赛则不同，这是一个永久性的联赛。没有升降级。
Conversely the NFL – and all the other leagues in the table – is a permanent league with no promotion or relegation.
开发应用学业信息微机管理软件，提高了课程管理、成绩管理、考试管理及升降级管理的水平。
The managements of courses, of students'achievements, of examinations and of their grading are greatly improved with development and application of IMS software for students' achievements.
应用推荐