Installs, maintains and repairs electronic equipment and systems such as audio and visual reproduction equipment, home entertainment systems, computers and electronic security systems.
安装、维护和修理电子设备和系统，如音视频还音设备，家庭娱乐设施，计算机和电子安全系统。
New technologies allowing voters to cast ballots via the Internet or other electronic means are catching on in the United States and elsewhere, even as fears mount about security of the systems.
新科技使得网上投票和其他电子投票方式在美国和其他一些地区流行起来，尽管人们对这一系统的安全顾虑日益继增。
A microcomputer embedded within a conventional bank card used as a security device on controlling payments via electronic banking and clearing systems.
传统银行卡内植入微型计算机芯片作为保安装置，用于控制通过电子银行及结算系统的支付。
They're widely used in UPS systems, electronic instruments, emergency lighting, fire alarm and security, electromotive tools and toys, telecommunication system, etc.
广泛应用于UPS电源、电子仪器、应用照明系统、安全报警系统、电动工具及玩具、电会传系统、通讯设备领域。
'We have an internal security team looking at equipment including forensic tags, permanent metal-marking systems and electronic tracking.'
我们有一支内部安全团队察看包括法医标签、永久性金属打标系统以及电子追踪的设备。
A public-key infrastructure (PKI) is a prerequisite for security in distributed systems and for electronic commerce. For secure communication, an user can get another user's public key from PKI.
分布式系统和电子商务的安全以公钥基础结构(PKI)为基础，为实现信息的安全交换，用户可从PK I中得到另一用户的公钥及其证书。
A public-key infrastructure (PKI) is a prerequisite for security in distributed systems and for electronic commerce. For secure communication, an user can get another user's public key from PKI.
分布式系统和电子商务的安全以公钥基础结构(PKI)为基础，为实现信息的安全交换，用户可从PK I中得到另一用户的公钥及其证书。
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