The upper level of the SCSI subsystem represents the highest-level interface from the kernel (the device level).

SCSI 子系统的较高层代表的是内核（设备级）最高级别的接口。

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SCSI is an interesting interface to study because it is one of the oldest interfaces that is still evolving today.

SCSI 是一种很有趣的接口，它是早期的接口之一，如今还在不断演化。

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At the top is what's called the upper level, which represents the highest interface of the kernel for SCSI and drivers for the major device types.

顶部的那层叫做较高层，代表的是内核针对SCSI和主要设备类型的驱动器的最高接口。

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The SCSI interface (and its cousin SATA) is the most widespread enterprise storage interface.

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As expected, the ScanJet 6200C clocked better scan speed scores when using its SCSI interface, so these numbers are reported on our chart.

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It allows the use of SCSI, or "small computer system interface, " connection over the Internet.

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