television professional channel
电视专业频道
以上为机器翻译结果，长、整句建议使用 人工翻译 。
NBA TV, launched in 1999 as the first 24-hour television channel created and operated by a professional sports league, is distributed to 80 countries.
NBA电视台发起，1999年作为第一个24小时电视频道创造和操作，由专业的体育联赛，分布80个国家。
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