个人计算机卡也称PCMCIA卡，是为笔记本电脑专门设计的网卡，使用的是笔记本的PCMCIA接口。
个人计算机卡是通常与笔记型电脑有关的一个特别的外壳。
PC Cards are a special case normally associated with laptop computers.
最初，它制造穿孔卡显示器，之后开发磁带系统，大型计算机及个人计算机，如今，又转向服务和咨询业务。
At first this meant making punch-card tabulators, but IBM moved on to magnetic-tape systems, mainframes, PCs, and most recently services and consulting.
加密卡可以为个人计算机系统、网络安全设备提供密码服务，以实现数据的安全存储和网络信息的保密通信。
Cipher Card can offer cryptogram service to PC system and network security device to realize safe storage for files and secure communication for information on network.
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