N-COUNT(计时用的)跑表,秒表 可以测量一个时间间隔的运行时间,也可以测量多个时间间隔的总运行时间。很漂亮的秒表哦-N-COUNT (timing used) stopwatch, a stopwatch to measure the running time interval, the total elapsed time may be measured in a plurality of time intervals. Oh very nice stopwatch