Most parlors have outer doors with peepholes, and some have closed-circuit security cameras, gamblers say.
大部分麻将馆都装了带窥视孔的外门，有的有闭路保安摄像机，赌客们说。
Bosses have been more careful about whom they let in; most parlors have outer doors with peepholes, and some have closed-circuit security cameras, gamblers say.
老板们对来客更小心；大部分麻将馆都装了带窥视孔的外门，有的有闭路保安摄像机，赌客们说。
Meeting as Tatsu was founded in February 2006, is specializing in the production of closed-circuit system security products manufacturers.
汇视达公司成立于2006年2月，是专业生产闭路系统安防系列产品的厂家。
Security experts recommend increased use of closed circuit cameras, and the establishment of a long-delayed national intelligence grid to better track the movements of suspected terrorists.
印度安全专家建议增加利用闭路式摄像机，和建立耽搁已久的国家情报网，以便更有效地取得恐怖嫌疑人的作案行迹。
The first includes the automation of station security in the use of smart-card access, the installation of automatic barriers and closed circuit television monitoring systems.
第一项计划是利用“聪明卡”出入、安装自动闸及闭路电视监察系统，使警署保安设施自动化。
The first includes the automation of station security in the use of smart-card access, the installation of automatic barriers and closed circuit television monitoring systems.
第一项计划是利用“聪明卡”出入、安装自动闸及闭路电视监察系统，使警署保安设施自动化。
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