还可以使用计时器变量记录保持当前状态的时钟嘀嗒数。
You might also use a timer variable to keep track of how many ticks of the clock you've been in the current state.
我的计时器与纸带相连，而你也许需要另外铺设两条穿过时钟前部的电线。
Mine was attached with tape.You may have to route 2 new wires through the front of the clock.
我的计时器与纸带相连，而你也许需要另外铺设两条穿过时钟前部的电线。
Mine was attached with tape. You may have to route 2 new wires through the front of the clock.
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