During the development of web-based database information system, the paper introduces the method of building dynamic drop-down menu.
介绍了在开发基于网络的数据库信息系统中，建立动态下拉菜单的方法。
During the development of web-based database information system, the paper introduces the method of building dynamic drop-down menu.
介绍了在开发基于网络的数据库信息系统中，建立动态下拉菜单的方法。
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