训练过的犬提醒主人对如门铃，烟雾警报器和电话铃声这些重要声音提高警觉。
The trained canines alert their owners to important sounds, such as doorbells, smoke alarms and ringing telephones.
这些代理可以是软件服务如apacheWeb服务器或物理服务如音响警报器。
These can be software services such as an Apache web server or physical services such as an audible alarm.
这些烟把警报器触响了。
这些烟把警报器触响了。
这些美丽的警报器，实际上发现在蒙托克和阿马甘西特，纽约以及在佛罗里达州的布鲁克·斯维尔河游泳。
These beautiful sirens were actually found swimming in Montauk and Amagansett, New York as well as in the Weeki Wachee River in Florida.
这些准则包含烟雾警报器的安装及维护的说明。
The guidelines include instructions on the installation and maintenance of smoke alarms.
这些准则包含烟雾警报器的安装及维护的说明。
The guidelines include instructions on the installation and maintenance of smoke alarms.
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