在概括性地介绍智能卡的物理结构之后，重点介绍了AT 89sc168芯片的使用，智能卡的文件数据结构和卡内操作系统结构。
After synoptically introduced the physical structure of Smart Card, the using of the chip AT89SC168 and structure on file and data of Smart Card is especially introduced.
目前，公司已掌握了智能卡操作系统技术，智能卡各类终端技术、智能安全芯片开发技术及密码技术等。
At present, the company has mastered the smart card operating system technology, all kinds of smart card terminal technology, smart security chip technology and encryption technology developed.
目前，公司已掌握了智能卡操作系统技术，智能卡各类终端技术、智能安全芯片开发技术及密码技术等。
At present, the company has mastered the smart card operating system technology, all kinds of smart card terminal technology, smart security chip technology and encryption technology developed.
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