不是，它们不是实体存在，而是模拟存在，可以被看做软件计数器，计时器等。
No, they don't "physically" exist but rather they are simulated and can be considered software counters, timers, etc.
内置计时器及机械循环计数器。
该计时器既扩展了通用计数器的功能，又提高了计时器的准确度。
The developed timer extends the functions of general counter and improves the accuracy of timer.
指示计时器是否基于高分辨率性能计数器。
Indicates whether the timer is based on a high-resolution performance counter.
可以通过在计时器请求消息本身中带一个计数器，并在每次尝试之后进行递增，从而完成此任务，请参阅前面“Redrive”的讨论。
(This could be done by carrying a counter in the timer request message itself and incrementing each time thru, see the discussion of "Redrive" previously).
可以通过在计时器请求消息本身中带一个计数器，并在每次尝试之后进行递增，从而完成此任务，请参阅前面“Redrive”的讨论。
(This could be done by carrying a counter in the timer request message itself and incrementing each time thru, see the discussion of "Redrive" previously).
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