This article discusses the implementation methods of the house security system, and provides a design diagram.

本文仅讨论其中家庭安全防范的实现手段，并提供设计原理图供参考。

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Your house may have the latest alarm system and Windows with bars, but if you leave your doors unlocked, despite the number of security features your system has, it is still insecure.

您的房子可能有最新的警报系统以及窗栏，但是如果您不锁大门，即便您的系统有再多的安全特性，仍然是不安全的。

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The security cameras and alarm system were alerted and the police immediately came to the house and arrested the intruder who was attempting to break a window when they arrived.

监控摄像头和保安系统立刻发出警报，警方立刻赶到现场，逮捕了这一试图通过打破窗户进入家中的男子。

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Trip the security system on your average American house, and you'll likely set an alarm whining, cause lights to flip on and possibly trigger a notification to the security company or local police station.

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Officials involved in homeland security issues said the White House would soon announce a new ranking system for alerts to law enforcement agencies and the American people if any information suggests the possibility of new attacks.

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The court was also asked whether there was a limit to the fuel allowance for Mr Scargill's house in Barnsley, South Yorkshire, and if the NUM was expected to meet the costs of its security system and his annual tax return for the rest of his life.

BBC: Arthur Scargill