telecommunication line短语³⁰²⁵⁰ 基本例句 通信线路,电信线路 It also covers the principle of using of the platform of MAPGIS for second development and the construction as well as realization of the telecommunication line resource system. 阐述了利用 MAPGIS基础软件平台进行二次开发的原理及整个系统的构建框架以及实现方法。 cnki