过建立三个 commobox 来分别连接 课程表 的系别名 课程名 2.章节表的:章节名 通过系别名和课程名值来确定确定选题的范围,通过章节名来确定所选的章节 -Commobox been the establishment of three separate lines to connect the curriculum courses alias name 2. Sections of the table: the section through the Department of alia