SBC 定义命令集扩展，以方便操作 SCSI 直接访问块设备。

SBC defines the command set extensions to facilitate operation of SCSI direct-access block devices.

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压脚压力采用微调装置，压力调节螺钉设有刻度，更加方便操作。

Add fine adjust device for the pressure of foot, without dial on the adjustable screw, more convenience for operation.

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但是，直升机驾驶员通常坐在右边的座位上，因为坐右边右撇子更方便操作。

But more often helicopters are controlled from the right seat as it is more convenient for right-handeds.

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On Thursday, we'll look at why that allows you to do lots of things more conveniently than you can do without mutation.

周四我们会探讨下,为什么这种可变性会让你,在进行很多操作的时候方便了许多。

麻省理工公开课 - 计算机科学及编程导论课程节选