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Sports teacher using€ ™← a stopwatch, how many kinds of f<₽÷unctions?

發布時(shí)間(jiān) : 2021-07-12

Sports coaches use the stopwatch, we may seem v☆α♠ery simple, but in fact it is¶∑ not a simple thing here talking ab≥©↔≈out sports competition stopwatch,γ≤ which most people will not use it?

For example, inside the campus, a class has ₩₹≤☆45 students, when we go to physic$♥al education, physical education t">σ$eacher asked to run a race; hα a ha, the 45 students can not run one by one righ±±≈t? Yes, we can run with a few, a few wi♠♠th us how to stop the sports teacher's stopwa↕♠♣↔tch records of the differe∞ nces? This has to piεΩ←>ck a multi-channel fu"φ nction of the stopwatch<​β  to use, and now the most ba✔Ω✔≈sic stopwatch on the market has™π two memory channels, the meaning of these tw£∏o is to record the results o"↕₹ f two individuals distance Every one, so ₩× ♦understand it.

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Now on the market there are often 2 to 500♠↓↔  channel stopwatch, the machine '↕¥§products of these stopwatches ≤≠ have long been satisfied w↕​☆ith the requirements of the sp¥✘≤≤orts coach, and that stopwatch ca₽↔✘n count how long? As far as I un≠•¶derstand this multi-chan♠↑ 'nel stopwatch is generally 10 hours, 2 st<φ opwatch can actually record 24 σ hours, these are common, mayσ≈®‌be your physical education teachers are the★≈≤​se types of 2 to 60?

How to operate these channeγ>‌'ls?

This left and right buttons on the→γ‍™ stopwatch, click the left button will recor↔$©₩d a track, press the left∏∑σ♥ button when the stop₹¶<§watch screen will pause to see the time <‌'©used to record the resul©•ts, while the other did not p © ause, when we press Right when you see the moment♠>← has been running, when the seco"'nd classmate came and we press the ∏¶<‌left button, which i&¥βs suspended and we record the results of t£×he competition, such daβ∞δta do not need to use the↕•© pen to record, but Active storage, sports c≈&Ωγoaches only need to k♥§÷ now the students arrived at ≈↕★★the final intention of' ± the sequence, because the stopwatcβΩ♥↓h will be from the first result of the stud₹≤ents arrived in the last student achievement₽≤€ in the order recorded the result≥‌₽δs of the competition.


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