1/ 100 seconds, in order★♣↕ to accurately time. Ms ₽∑φ®is 1/1000 of a second, microsecon↑ ↔≤ds is 1/1000000 of a second.

Stopwatch is a common measuring instrument. CaΩ‍§Ωn say again "stop watch." consists ¥δ↔of a pause button, electr✔←'onic screen, etc.

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The precision of the stopwat✘♠ch is in commonly 0.1 0.2  ©φseconds stopwatch and 0.01 to 0.01, and 0♥♣"©.001 to 0.002 a stopwatch‌>, timing error is the main table is n→‍ot allowed, stop wat₩π₹ch. Stopwatch before using the ÷≤εwind-up shoulds not be too tight, so as to avoid‌λΩδ rupture. After using λπ¶&the table should be start, make ε♥a clockwork completely let go.↕©∞