After analyzing the characteristics and classifications of multi-tier Internet based GIS architectures, we induce the four major constituents of an Internet application system: client, middleware, application server and data server.
After analyzing the characteristics and classifications of multi-tier Internet based GIS architectures, we induce the four major constituents of an Internet application system: client, middleware, application server and data server.
我们先分析以多阶层技术来设计地理资讯系统上网架构的特性与种类，进而归纳出多层次网际网路应用系统的四个组成要件：用户端、中介软体、应用程式伺服器与资料伺服器等四大部分。