seismic alarm system
英
美
- 地震预警系统
双语例句
- One third of Tokyoites polled some years ago said they did not even know an earthquake-warning system existed, and the government is loth to test it for fear of causing alarm.
几年前，三分之一的东京人投票说他们甚至不知道还有一个地震预警系统，政府则不愿意测试，以防导致恐慌。
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