名词 security system:
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(computing) a system that enforces boundaries between computer networks
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an electrical device that sets off an alarm when someone tries to break in
- I decided to install a security system to prevent any break-ins.
我决定安装一个安全系统来防止任何闯入。
- User authentication is one part of a security system for protecting your data.
用户鉴定是保护数据的安全系统的一部分。
