For years, there has been considerable debate about the meaning of "work based on" or "derivative work" in the software context.
多年来，对于在软件这一前提下“基于……的产品”或“衍生产品”这两个术语的含义有相当多的争议。
Based on geographical and spatial database and supported by computer hardware and software context, GIS implements to acquire, manage, operate, analyze, simulate and display spatial data.
它以地理空间数据库为基础，在计算机硬、软件环境的支持下，对空间相关数据进行采集、管理、操作、分析、模拟和显示。
Based on geographical and spatial database and supported by computer hardware and software context, GIS implements to acquire, manage, operate, analyze, simulate and display spatial data.
它以地理空间数据库为基础，在计算机硬、软件环境的支持下，对空间相关数据进行采集、管理、操作、分析、模拟和显示。
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