Safeguard软件系统拥有五个原有的密码箱，这些密码箱是不允许用户删除的。
Safeguard's system have five password box default options which not allow to be deleted.
本文详细阐述了IC卡密码箱控制器的原理，包括硬件设计、软件设计和密码形成原理等内容。
In this paper, the principle and design of hardware and software of the safe controller using IC are described.
本文详细阐述了IC卡密码箱控制器的原理，包括硬件设计、软件设计和密码形成原理等内容。
In this paper, the principle and design of hardware and software of the safe controller using IC are described.
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