On the aspect of data structure and data model, based on improving and extending the GDF data model, the data model of embedded GIS was put forwad.是什么意思_On the aspect of data structure and data model, based on improving and extending the GDF data model, the data model of embedded GIS was put forwad.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句