扩充板：任何一个用插头连接在电脑扩充槽的板子。
Expansion board : Any board that plugs into one of the computer's expansion slots .
本文研究利用PC机扩充槽设计图象存储体与PC机的DMA接口，包括接口电路和接口驱动程序。
This paper studies the designing of the interface between the image memory and the PC computer utilizing the PC expander, contains the interface circuit and the driving program.
本文研究利用PC机扩充槽设计图象存储体与PC机的DMA接口，包括接口电路和接口驱动程序。
This paper studies the designing of the interface between the image memory and the PC computer utilizing the PC expander, contains the interface circuit and the driving program.
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