我国海岸线长达18000 km,领海38.8万km~2,专属经济区达300万km~2,海岛7100多个,近海自然条件优越,大陆架宽广,海洋渔业、油气、运输、矿产、资源十分丰富,从长远看,海洋风能、光能、潮汐、温差、盐差等可开发利用的空间还很大。但是,我国海洋资源开 China has a coastline of 18,000 km, a territorial sea of ​​388,000 km2, an exclusive economic zone of 3 million km2 and over 7,100 islands. Its offshore natural conditions are excellent and its continental shelf is wide. Its marine fisheries, oil and gas, transportation, minerals and resources are very rich. In the long run, there is still much room for development and utilization of marine wind energy, light energy, tides, temperature difference and salt difference. However, China's marine resources are open