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1·Over several weeks, there were quite a few false fire alarms.

在过去的几周里，发生了不少火警误报。

2·False fire alarms are illegal and may lead to imprisonment.

谎报火警是违法的，可能会导致监禁。

3·The vast majority of false fire alarms are prank calls made anonymously from fire alarm boxes on street corners.

绝大多数火灾误报都是用街角的消防报警箱匿名拨打的恶作剧电话。

4·Switch on fire alarms in all Spaces.

打开所有空间火灾警报。

5·Switch off fire alarms.

关闭火灾警报。

6·Switch hon fire alarms.

打开火灾警报。

7·Switch hon fire alarms in all Spaces.

打开所有空间火灾警报。

8·There are also a few fake fire alarms.

也有几起谎报火警的现象。

9·Switch on fire alarms in superstructure.

开上层建筑火灾警报。

10·Switch hon fire alarms in superstructure.

开上层建筑火灾警报。