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阅读有关材料，结合所学知识，回答下列问题 材料一: 《中国的世界记录》收录的中国古代科技成果统计 材料二: 中国古代天文学主要成就 材料三: 欲致吾之知，在极物而穷理也。如今为此不穷天理、明人伦、讲、通世故，乃兀然存心于一草木、一器用之间，此是何学问？----（宋） 据材料一回答，中国古代领先世界的科学技术主要分布在哪些领域？为什么会有这一特点？
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