Abstract: From a historical speculation of the development of international navigation, the thesis, by tracing back to Zheng He's great feat of seven trips to the western seas, looks in to the future development trend on nautical technology in the 21st ce
Abstract: From a historical speculation of the development of international navigation, the thesis, by tracing back to Zheng He's great feat of seven trips to the western seas, looks in to the future development trend on nautical technology in the 21st ce
提要：从世界航海事业发展的历史考量中，追述伟大航海家郑和七下西洋的不朽功绩，展望新世纪航海技术的发展趋势。