youdao

Dogs can be an effective home security system.

狗狗会提高家庭的安全系数。

youdao

Thiss weekend I'm going to install home security system.

罢这周末我将在家安装一套保安系统。

youdao

In 2007, I contracted with ADT to install a home security system and monthly burglary and fire monitoring.

FORBES: When Your Home Security Company Becomes the Greatest Security Risk

One man combined WeMo switches and motion detectors into a home security system.

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Oh, and the the same connectivity will also power a home-security system that, in effect, gives your doors, windows and most anything else in your house an Internet address so you can monitor and control them digitally.

CNN: Doug Gross,