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巴布亚新几内亚全国总面积为461700平方公里,主要岛屿占85％,其余由600余小岛组成,其中最大的有新不列颠岛、新爱尔兰岛及布干维尔岛。横贯主岛东西的高原区,海拔4700米,这种地貌加上其极大的年降雨量(最高达8米/年)形成了具有丰富水电
Papua New Guinea has a total area of 461,700 square kilometers, with 85% of the major islands and the rest of more than 600 islands, the largest of which are the New Britain Island, the New Ireland Island and Bougainville Island. Across the plateau of the main island east and west, 4700 meters above sea level, this terrain with its great annual rainfall (up to 8 meters / year) formed a rich hydropower