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1.The tsunami warning system is crucial for coastal communities to prepare for potential disasters.
海啸预警系统对于沿海社区来说，是准备潜在灾害的关键。
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2.The city's tsunami warning system is one of the most advanced in the world.
该城市的海啸预警系统是世界上最先进的之一。
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3. The tsunami warning system was designed to alert people in advance of imminent danger.
海啸预警系统旨在提前警告人们即将到来的危险。