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本书在内容上囊括了宇宙、地理、自然、历史、人物、科技等诸多领域，采用图文并茂的形式，精选世界上最著名、最奇妙的未解之谜和奇闻轶事、科技咨询等，配以珍贵罕异的相关图片，为向往探索身边世界的青少年展现出一幅幅极具想象力、神秘感和挑战性的未知世界的情景。
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