数据可能在寄存器，处理器缓冲区和主内存中以不同的次序移动，而不是按照程序指定的顺序。
Data may be moved between registers, processor caches, and main memory in different order than specified by the program.
特别是网络适配器，经常使用循环缓冲区来与处理器交换数据包。
Networking adaptors, in particular, often use circular buffers to exchange data (packets) with the processor.
特别是网络适配器，经常使用循环缓冲区来与处理器交换数据包。
Networking adaptors, in particular, often use circular buffers to exchange data (packets) with the processor.
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