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1.The city has implemented strict air raid protection measures to protect its citizens during emergencies.
该市实施了严格的空袭防护措施，以在紧急情况下保护市民。
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2.The government is working on developing a new air raid protection system to enhance the city's resilience against natural disasters.
政府正在努力开发一种新的防空保护系统，以提高城市抵御自然灾害的能力。
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3. During the war, many people were forced to take refuge in underground shelters for air raid protection.
战争期间，许多人被迫躲进地下掩体以进行防空保护。