出版《国家地理杂志》( National Geographic)的美国国家地理学会 ,利用现代科技整合全球百多年来的地图 ,刊印于第七版世界地图册中。破天荒的是 ,地图册还放在互联网上 ,供网友免费查阅打印。这是继《大英百科全书》后 ,最近另一权威资料库在网上公开任阅。筹备三年耗资逾二 The National Geographic, which publishes National Geographic, uses modern technology to integrate maps of the world for more than a century and to publish it in the seventh edition of Atlas of the World. The first is, atlas is also on the Internet, for users access to print for free. This is the second “Encyclopedia Britannica,” another recently authoritative database publicly available online. Preparations for three years cost more than two