2. 外语
  3. 在中国悠久的历史长河中，出现了一些极其重要的发明，指南针(compass)是其中最重要的发明之一。根据古书记载，远古的人们在生产和斗争中利用天然磁体来指示方向。在战国时期(the Warring States Period)出现了最早的指南针——司南[si

在中国悠久的历史长河中，出现了一些极其重要的发明，指南针(compass)是其中最重要的发明之一。根据古书记载，远古的人们在生产和斗争中利用天然磁体来指示方向。在战国时期(the Warring States Period)出现了最早的指南针——司南[si

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问题     在中国悠久的历史长河中，出现了一些极其重要的发明，指南针(compass)是其中最重要的发明之一。根据古书记载，远古的人们在生产和斗争中利用天然磁体来指示方向。在战国时期(the Warring States Period)出现了最早的指南针——司南[sinan(a south—pointing ladle)]。司南由刻有24个方位的“地盘(brass plate)”和一个由整块天然磁石制成的长柄勺“(ladle)”两部分组成。到宋朝，沈括在《梦溪笔谈》(Dream Pool Essays)中对水浮式(floating)指南针作了介绍。这使得指南针能够首次应用于航海。指南针的发明促进了航海业的发展，不久经阿拉伯传入欧洲。
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答案 There have been some very important inventions in the long history of China, among which the compass is one of the most important inventions. According to ancient records, ancient people used natural magnets to indicate the direction in production and struggles. In the Warring States Period, the first compass—sinan (a south-pointing ladle) appeared. Sinan is composed by a brass plate engraved with 24 directions and a ladle made of a whole piece of natural magnet. Shen Kuo introduced the floating compass in the Dream Pool Essays in the Song Dynasty, which made the compass used in navigation for the first time. The invention of the compass has promoted the development of the maritime industry, and it was soon spread to Europe via Arabia.
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