Nature, Published online: 27 February 2026; doi:10.1038/d41586-026-00505-z
2026-02-27 00:00:00:0 （2026年2月26日第十四届全国人民代表大会常务委员会第二十一次会议通过）
，这一点在同城约会中也有详细论述
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Half of flood defences – around 100,000 - are maintained by the Environment Agency and 9% of those are currently below their target condition. Each defence is given a score out of five they must achieve depending on their importance.