某地区举行业余乒乓球赛 ,报名参赛的选手共有 1 58名。筹备组决定实行“淘汰制” ,也就是说 ,不论哪轮比赛 ,某选手只要输一场就被淘汰 ,以后不再参赛。为了使许多选手不至于一开始被被淘汰掉 ,以照顾参赛机会均等 ,筹备组在编排竞赛场次时 ,总是把轮空放在第一轮 ,从而使这批 Amateur ping-pong matches were held in a certain area. There were 1 58 players enrolled in the competition. The preparatory group decided to implement the “elimination mechanism”, that is, no matter which round of competition, a player will be eliminated as long as he loses one field, and will no longer participate in the competition. In order to prevent many players from being eliminated at the beginning to take care of the equal opportunities for the competition, the preparatory group always put rounds in the first round when the competition was scheduled so as to make this batch