Ocean's Embrace Eternally Moist- Broad China Sea The Foothold Facing the Sea - Major Peninsulas,Straits and Bays in China A Shining Pearl Necklace- Numerous Excellent Harbors in China Treasures in China's Seas - China's Star-studded Islands History of China's Seas Ancient China's Marine Memories Waves that Never Disappear- Major Maritime Events after the Qin Dynasty Humiliation and Resistance over the Sea in Modern Times Two National Crises caused by Prohibition of Opium Westernization Movement with the Theme of Self-improvement" and "Prosperity" Western Powers' Partition of China History of Safeguarding the Sea Power Starting of Modern Sea Restoration of the Marine Industry and the Development of the Salt Chemical Industry Lay a Scientific Foundation for Marine Industry Development Development of China's Seas Planning and Preparation of Marine Resources Representatives of "Blue Economy" Safeguard Sea Rights and Blue Territory "Responsible" Maritime Power Self-regulation in Marine Protection and Development Initiatives to Safeguard Safe Navigation Missions and Expectations in Marine Space Appendix: References
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The third option is using scull, which is a very successful invention.Sculling can provide a continuous pushing force for the boat, and play the role of a rudder. But while paddling, the paddle can only provide a pushing force when you paddle it, and the paddle has to be lifted out of the water and put back into the water, so half of the energy is wasted. Archaeological findings have proved that the scull came about during the Han Dynasty, but the period for developing the invention of the scull had not yet concluded. 300 Boats Were Used to Move the Capital In the Warring States period, the shipbuilding industry had a considerable size. The Book of Yue and Jue" recorded that when the State of Yue moved its capital in 468 B.C., 300 boats were used； and when the State of Qin invaded the State of Chu, they used over ten thousand big boats. It is worth noting that the shipbuilding capability at that time was quite considerable, and it was not difficult to use hundreds of boats, or even more, in large movements. The boats had a specific division of labor at that time. A book called "A Critical History Of Institutions" recorded that the boat for the emperor's special use named "Yuhuang"； the book called "Songs of Chu" recorded that the boats used for civil traffic were named "Ling":and the "Book of Yue and Jue" recorded that the boat named "Weizhou" was made by putting four boats side by side, the boat named "Fang" was made by putting two boats side by side, and the floating bridge made by putting many boats side by side. The boats for military use were further subdivided, such as "Gechuan", "Maotu", "Louchuan", "Qiaochuan", "Dayi","Zhongyi", "Xiaoyi", and etc. At that time, in the State of Wu, the "Dayi" boat was 10 zhangs (about 26 m) in length, and 1 zhang 5 chis and 2 tuns (about 4 m) in width.
