The thieves tunnelled under all the security devices.

小偷们在所有的那些安全装置下面都挖了地道。

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Security devices are required to list the frequencies they broadcast on—that means that a potential thief can find what they need to know with minimal Googling.

安全设备需要列出其散播的频率——这意味着，潜在的盗贼只需稍微谷歌搜索一下，就可以找到他们需要知道的东西。

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You could begin with a lighting starter kit and add on security devices later.

你应该先从照明工具包入手，然后再安装安全设备。

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Some organizations have hundreds of locations with gateway security devices deployed at each one.

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By the times the Games arrive this will have grown to 900 servers, 1, 000 network and security devices and 9, 500 computers.

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Once known as Minnesota Mining and Manufacturing, 3M makes products as varied as Post-it Notes, stethoscopes, touch-screen displays and security devices.

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