说明：  分组报表，是所有报表中最基本、最常见的报表类型，也是所有报表工具中都支持的报表格式。从一般概念上来讲，分组报表就是只有纵向的分组
(Group reports, are all statements the basic and the most common type of statements, as well as all statements in the support tools report form. From the general concept speaking, a statement that the only group longitudinal group )