It stands for personal digital assistant.
它代表的是掌上型数字助理。
If you have a personal digital assistant, the better it would be for you.
如果您有一个个人数字助理，更好地便给你。
Another hot spot for bacteria in men's offices: the personal digital assistant.
另一个细菌生长热点是男人的办公室：个人数字助理。
Personal digital library is the product of the digital information environment.
个人数字图书馆是数字信息环境的产物。
A personal digital assistant pen-based computer or other handheld computer device.
个人数字助理、手写输入计算机或其他手持式计算机设备。
Handheld personal digital processing system, realize the mail list, calendar, calculator, electronic drawing board function.
说明：掌上个人数字处理系统，实现通讯录、日历、计算器、电子画板功能。
A digital signature is a math-based method of attaching a "personal" identity to a message.
数字签名是一种向消息附加“个人”身份的数学方法。
A digital signature is a math-based method of attaching a "personal" identity to a message.
数字签名是一种向消息附加“个人”身份的数学方法。
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