在同一台计算机上可以安装多个这样的驱动程序。
You can have multiple installations of this driver on a single machine.
虚拟打印机即一种可以充当打印机驱动程序的软件；然而，虚拟打印机不需要被连接到一台真实的打印机中。
A virtual printer is simply a piece of software that ACTS like a printer driver; however, the virtual printer doesn't have to be connected to an actual printer.
这个驱动程序在所有DB 2平台上是一致的。
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