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三峡工程首要的建设目标是防洪，使荆江大堤的防洪能力由十年一遇提高到百年一遇。 The primary construction goal of the Three Gorges project is flood control, so that the flood control capacity of Jingjiang levee will be increased from once in ten years to once in 100 years. 三峡工程总装机容量1820万千瓦。年发电量达847亿千瓦时，将给沿江的工业城镇和广大地区提供廉价而清洁的电力。这是三峡工程最主要的直接经济效益，也是三峡工程建设的充分条件。 The total installed capacity of the Three Gorges project is 18.2 million kilowatts. With an annual generating capacity of 84.7 billion kwh, it will provide cheap and clean power for industrial towns and vast areas along the river. This is the main direct economic benefit of the Three Gorges Project and the sufficient condition for the construction of the Three Gorges Project. 三峡水库的形成，改善了峡谷河段的航道，万吨级船队有半年时间可以直达重庆，通航能力可从现在的每年1000万吨提高到5000万吨，而且可降低航运成本30%~37%。 The formation of the Three Gorges reservoir has improved the channel of the canyon reach. The 10000 ton fleet can reach Chongqing for half a year. The navigation capacity can be increased from the current 10 million tons per year to 50 million tons, and the shipping cost can be reduced by 30% - 37%. | 
