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我国虽是一个大陆的国家,但是历代以来我国的劳动人民对海洋事業有过不少的貢献。在春秋战国时代的齐国已号称为“漁鹽之乡”禹貢“海岱惟青州……厥貢盐絺,海物惟錯”对海洋中二个最重要的资源漁和鹽已有很大的开发。魏晉六朝以后我国与波斯、大食在海路上的往来已很頻繁。到宋朝和元朝海洋上的交通商业更有很大的发展,那时重要的海口有广州、泉州和明州等处,連印度和阿拉伯人要航海都必須乘坐我們中国的船舶。根据历史的記載北宋时已在航海上运用指南針。并用繩索来测量海的深度,調查海底污泥的性質。北宋宣和初年(1120)朱或所著“萍州可
Although our country is a mainland country, the working people in our country have made a great contribution to the marine undertakings since ancient times. Qi in the Spring and Autumn Period and the Warring States Period has been known as the “hometown of fishing” Yugong “Haidai but Qingzhou ... ... Jigong salt, but sea wrong,” the two most important resources in the ocean fishing and salt has been very Big development. After the Wei, Jin and the Six Dynasties, our country and Persia, the big food in the sea has been frequent contacts. The transportation business to the Song Dynasty and the Yuan dynasty had a greater development. At that time, important ports of entry included Guangzhou, Quanzhou and Mingzhou. Even India and the Arabs had to sailing on our Chinese ships. According to historical records when the Northern Song Dynasty has been the compass on the sailing. The ropes were used to measure the depth of the sea and the nature of the seabed sludge was investigated. North Song Xuan He first year (1120) Zhu or the book "Pingzhou can