- chronometer
- split-second timer
- 精密: precise; accurate
- 秒表: stopwatch; chronograph
- 秒表: [钟] stopwatch; chronograph◇秒表计时 manual time-keeping
- 电秒表: electric second meter; electric stop watch; electrical secondmeter; electrical stop watch
- 分秒表: chronoscope; microchronometer
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