selected countries in Europe in order to assess the extent to which GIS was being [...] daccess-ods.un.org daccess-ods.un.org 2009年,i-Guess选取一些欧洲国家开展研究,以评估学校采纳GIS 内容的 范围及其影响。 daccess-ods.un.org daccess-ods.un.org ...