She stared at the ring of sweat her glass had made on the counter.
她盯着自己的酒杯在柜台上留下的一圈水珠看。
The circuit is a conventional ring counter .
此线路是一个普通的环形计数器。
The advantage of the modified ring counter is that it is self-starting.
改进的环形计数器的优点是可以自行起动。
The advantage of the modified ring counter is that it is self-starting.
改进的环形计数器的优点是可以自行起动。
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