up-down counter 可逆计数器 ; [计] 升降计数器
up down counter 可逆计数器
up-and-down counter 增减计数器
UDC Up C Down Counter 加减计数器
down up counter 可逆计数器
PCU 115 then analyzes the counts it receives from each counter and determines whether it should power up or power down a particular core 105.
PCU115随后分析它从每个计数器中接收的计数并判定是应该提升还是降低某一特定核105的功率。
She sank down on one of the little stools behind the counter of the booth and looked up and down the long hall which, until this afternoon, had been a bare and ugly drill room.
她坐在摊位柜台后面的一条小凳子上，前前后后地观看那个长长的展览厅，这地方直到今天下午以前还是个空空荡荡难看的教练厅呢。
A clock or a strobe signal is used to synchronise operation of the comparator, the up-down counter 102 and the digital to analog converter 100 so as to avoid these components racing.
时钟或者选通信号用于比较器、递增-递减计数器102和数模转换器100的同步操作，以便避免这些部件竞争。
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