- satisfiable: Boolean. True if the formula is satisfiable
The UK does have an extensive network of flood defences but there is a patchwork of organisations - including farmers, water companies and charities - responsible for them.
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is debatable, although historical accounts generally do. They are certainly of a
核设施营运单位应当采取必要措施，防范网络攻击、侵入、干扰和破坏，应对网络安全事件，保障核设施安全稳定运行。