RT硬件和操作系统往往是定制的，难以理解。

RT hardware and operating systems are often customized and arcane.

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如果拥有特定于硬件的定制驱动程序，那么可能需要恢复到默认设置或者尝试兼容的硬件支持。

If you have custom drivers specific to your hardware, you may need to revert to default Settings or try compatible hardware support.

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在实践中，要使响应时间小于几十微秒，需要组合定制的软硬件，很可能没有(或者有非常薄的)操作系统层。

In practice, achieving response times below tens of microseconds requires a combination of custom hardware and software, possibly with no — or a very thin — operating-system layer.

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