高速缓存中的压缩缓冲区。它是高速存储缓冲区的一部分。
Number of compressed buffers in the cache. This is included in the cache buffer total.
在应用程序中开辟了两个缓冲区，交替与传输卡上先进先出存储器（FIFO）通信，实现了主机到外设之间高速无间断数据传输；
In the design of application software, two buffers A and B were used to communicate with the FIFO on the card alternately. Thus the high speed continuous data transmission was achieved.
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