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Students are provided with a combination for their room door locks upon check-in.

办理入住时，学生们会得到一串房间门锁密码。

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This program lets you store a list of your various password, user ID's, combination locks, etc. The file is encrypted for added security.

这个程序可以让你存储你的各种密码，用户ID，密码锁等文件进行加密以增加安全性的列表。

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He invented and patented a series of combination locks with lead balls to block x-rays, in conjunction with special nylon wheels to prevent them from observed.

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But Dennis Henigan, legal director of the Centre to Prevent Handgun Violence, replies that gun manufacturers already have access to low-tech safety devices, such as combination locks.

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The thieves, headed by Leonardo Notarbartolo, reportedly managed to penetrate some of the most advanced security measures, including hi-tech combination locks, motion and heat sensors -- and 18-inch steel doors.

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