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说明：  导入EXCEl数据，自动编排考试并打印准考证及桌贴等(Import EXCEl data, automatic scheduled for examination and print confirmation letter and paste tables, etc.)

这个程序实现快递寄递业务的一体化业务查询、浏览、导入和打印功能。(This program implements integrated express delivery services business inquiries, browse, import and print functions.)

打印功能模仿，和模拟打印机差不多的东西，不是自己编写的。(Print function to imitate, and simulation similar printer, not something I have written.)

介绍了cups下的打印机驱动开发。对于在开发打印机驱动的朋友，这份文档对你会有很大的帮助。(Introduced the cups printer driver under development. For the printer driver in the development of a friend, this document will be of great help to you.)

用于搜索USB驱动,找到USB打印机,并发送命令 本例子发的是epson的打印换行命令,这个命令基本够用了,绝对有用(Used to search the USB drive, find a USB printer, and send the command)

recharge of printers HP reset the chip 1600 2600

可以实现stringgrid的直接打印功能，经过应用很好(Can stringgrid direct print functionality, a good application)

Printing from any printer

用来显示对应数字的条形码。共6种码制，可以选择打印大小，打印位置，也可以打印预览，不过暂时还不具备连接打印机打印功能，这个可以自己添加上去。(Used to display the corresponding bar code numbers. A total of six kinds of system code, you can choose print size and print position, you can print preview, but not yet connected with a printer function, this can add up.)

判断两个数是否是luansheng素数，其函数已经定义好，功能简单(To determine the number of twin primes)