00823316-n
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| 保安措施, 保密措施, 防御 之物, 保全 设备, 安全措施, 保密 措施, 保安 措施, 防御之物, 安保, 保全设备, 安全 措施 |
| security, security measures |
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measures taken as a precaution against theft or espionage or sabotage etc. |
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04165945-n
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| 保安措施, 防卫 措施, 保全 设备, 安全 系统, 安全 体系, 安全系统, 安全体系, 保安 措施, 防卫措施, 保全设备 |
| security, security system, security measure |
| |
an electrical device that sets off an alarm when someone tries to break in |
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