IT football
Q group of the book: 582916320. Verification code: 1111. In this football article, the proportion of matches in the whole book is estimated to be 95%. One of the standards of high-level football: 90 minutes for a game, 10 minutes for deduction of out of bounds, foul and goal kick. The effective time is 80 minutes, 80 * 60=4800 seconds. In 4800 seconds, a change of ball power occurs every 2 seconds, with a frequency of 2400 times. When the number of efficient operations reaches 2400 times, it is the match of high-level football. The frequency of elementary football is about 600 times in 70 minutes. What problems should a player who has just played football deal with? 1. Where am I. 2. Where do I go or what can I do here. 3. Which part of my foot I touch the ball with. 4. How many people are blocked? I don't need to know how to deal with them. This is the consumption of brain power and 70 minutes of physical power. It's not easy for players to deal with this. This football article repeatedly emphasizes these problems.
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