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三分投篮由来已久,1961-1963年间被篮球联盟所采用;1967-1976年间,经过了近十年的研究,NBA迎来划时代的改革:一条三分线在球场上赫然醒目,这条三分线的底线距离是6.71米,弧顶距离是7.24米。自此以后,三分投篮风生水起风靡全球。1979-1980期间,虽然有一些距离上的微小变化,但是三分球机制正式被纳入赛事,成了全球性的规则。三分球从1985年开始有了新的一些
Three-point shot has a long history, was used by the basketball league between 1961 and 1963; 1967-1976, after nearly a decade of research, the NBA ushered in epoch-making reforms: a three-point line on the court impressively, this three Subbase line distance is 6.71 meters, the arc top distance is 7.24 meters. Since then, one-third shooting blustery swept the globe. During the period of 1979-1980, although there were some minor changes in distance, the three-pointer system was formally included in the tournament and became a global rule. Three-pointers have had some new things since 1985