然而，不可能优化硬件上下文切换，而改进当前的软件切换代码还有空间。

However, it is not possible to optimize a hardware context switch, while there might be room for improving the current switching code.

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实践表明，硬件切换和软件切换各有优缺点，两种方法均能满足步进电机的驱动要求。

The practice shows that the hardware exchange and software exchange have respective merits and faults and they both satisfy the needs of stepper motor drive.

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该技术隔开了硬件与软件，让许多程序跑在任何机器上，甚至切换这些机器。

This separates software from hardware, allowing many programs to run on any machine, and indeed to switch between them.

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