求翻译：政务版电子地图在城市共享发布中具有重要方位意义和共享责任。本文提出了政务版电子地图生产及建库的检查技术手段和质量评定方法。并将这种方法应用于南京市政务版电子地图生产与建库实际，结果显示本质检体系具有一定优越性，对地图要素取舍与图形表达、数学精度与属性精度、以及资料质量等进行了很好的控制和解决方法。是什么意思？

Chief electronic maps have an important bearing meaning in urban share publishing and sharing responsibility. Electronic map version presented the Chief means of production and inspection of construction technology and quality assessment methods. District, Nanjing, and apply this approach to digital map production and construction of the actual shows the quality control system has certain advantages, choice and the mathematical precision of graphic expression, map elements and attribute accuracy, as well as information such as quality control and had a very good solution.