The whole structure of the system is three layer construction, the head connecting into layer, the center application layer and the database support layer of back-end.
系统的整体架构为三层结构，前端接入层、中间应用层和后端数据库支持层。
Development technique of application software based on three-layer structure was discussed.
探讨了基于三层结构的应用软件的开发技术。
Finally, the application of three-layer structure method in geoscience is discussed.
最后，对该三层结构方法在地学中的应用做出总结。
应用推荐