New flood defences will be subject to a rigorous cost-benefit analysis, with more land in effect surrendered to the sea.
新的海防工事将纳入严格的成本效益分析，涉及更大范围的沿海地区。
2
The Three-Gorge project is a big system project over the century, connected with many disciplines. it has tremendous flood prevention benefits many kinds of economic benefit and social benefits.
三峡工程是一项跨世纪、多学科的巨大系统工程，它具有巨大的防洪效益和多种经济效益及社会效益。
3
This paper analyses "Taili" typhoon storm flood above Shanxi Reservoir dam site of Feiyun River Vally, reservoir flood operation and flood control benefit.