Records are composed of data bytes and link control bytes.
记录是由数据链路控制字节和字节.
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These control bytes are handled entirely by the disk controller circuits.
这些控制字节被磁盘控制电路完全管理.
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The formats for addresses and control bytes are defined by the IEEE 488 standard.
地址和控制字节的格式由488标准定义.
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