教练员必须有高度的责任心和高超的指挥能力才能打好每一场球。要根据时间、球势、分数等随机应变地指挥每一杆球。比赛只剩一分钟,比分为17∶9,红方遥遥领先。场上形势如图。轮及⑩球起杆。这时白方教练员根据场上形势分析,从时间看,②球能起杆,从比分看,只有②球得8分,而且有 Coach must have a high sense of responsibility and superb command ability to lay every ball. According to the time, the ball potential, points and other random response to command each shot. Only one minute left the game, the score is 17: 9, the red side ahead. The situation on the court map. Round and ⑩ ball from the pole. At this time, White Coach based on the field situation analysis, from the time, ② the ball can play, from the score, only ② 8 points, and there