老师上课离不开黑板;教练员指挥门球比赛离不开记分牌,教练员应把记分牌当成指教的有利工具,每时每刻都依据记分牌上的显示,对变化多端的场上局势实施正确指挥,发挥战术的威力。对一名教练员来说,记分牌太重要了,它能把双方得分或每个球的得分情况让队员和教练员看清楚,做到心? The teacher can not do without blackboard class; coaches can not do without the scoreboard scorer, coaches should scoreboard as an instructive tool, every moment are based on the scoreboard display, the changing situation on the court Implement the correct command and exert the tactical power. For a trainer, the scoreboard is so important that it allows both team members and coaches to see the score or the score of each ball.