应用中文名称：程序密码锁 应用英文名称：Perfect App Protector Pro 程序密码锁版本号：4.6.6 系统要求：Android 2.1 及以上 分辨率：320x480
这个程序可以让你存储你的各种密码，用户ID，密码锁等文件进行加密以增加安全性的列表。
This program lets you store a list of your various password, user ID's, combination locks, etc. The file is encrypted for added security.
本文主要介绍了基于AT89C51RC单片机的红外遥控密码锁的硬件及程序实现流程的具体设计。
The paper mainly introduces concrete design of the hardware and program steps of Infrared ray test instrument's design and realization based on AT89C51RC.
着重叙述了其关键部分密码锁的设计思想，并给出了密码锁控制的梯形图程序。
The design thought of trick lock is emphatically described. And its ladder diagram program is also given.
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