地理空间框架

地理空间框架Tag内容描述：<p>1、数字广西地理空间基础框架建设的研究摘要本文主要探讨”数字广西”地理空间基础框架建设方面的一些问题，并提出现阶段应进行的工作。关键词国家空间基础设施（NSDI）、”数字广西”、地理空间基础框架1前言1.1背景随着计算机技术、网络技术的飞速发展，人类已进入以信息化为主要特征的新经济时代，信息化是当今世界经济和社会发展的趋势。发达国家在加快信息基础设施和空间基础设施建设的同时，1998年1月，当时的美国副总统戈尔提出”数字地球”的概念。引发了继”信息高速公路”、”知识经济”以后的第三次信息浪潮。1998年6月，江泽民总。</p><p>2、必修一Unit 1ANNES BEST FRIENDDo you want a friend whom you could tell everything to, like your deepest feelings and thoughts? Or are you afraid that your friend would laugh at you, or would not understand what you are going through? Anne Frank wanted the first kind, so she made her best friend. Anne lived in Amsterdam in Netherlands during Would War.Her family was Jewish so they had to hide or they would be caught by the German Nazi .She and her family hid away for nearly。</p>