名词
中文翻译：公共广播系统
同义词：
['公共广播系统，公共广播服务，公共广播网络例句：1. The public address system was set up to broadcast important announcements during the event.（公共广播系统被设置来在活动中广播重要通告。）']
例句：
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1. The public address system was set up to broadcast important announcements during the event.
公共广播系统被设置来在活动中广播重要通告。
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2.The school's public address system is excellent, allowing students to easily access information.
学校的公共广播系统非常好，使学生可以轻松获取信息。
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3.During the emergency, the public address system was used to communicate with the public and provide updates.
在紧急情况下，公共广播系统被用来与公众沟通并提供更新信息。