英语词汇“Piano roll”是什么意思，翻译、用法及简单造句-英汉双解词典-英汉网

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单词	Piano roll
释义	Piano roll 原声例句 99%不为人知的故事 You can draw a straight line from player piano rolls to punch cards and the first computer programs. 您可以从演奏钢琴卷轴到打孔卡和第一个计算机程序绘制一条直线。 99%不为人知的故事 What you're listening to now is a special kind of player piano roll that could capture all the subtleties of human performance. 您现在听到的是一种特殊的钢琴卷帘，可以捕捉人类演奏的所有微妙之处。《基督教科学箴言报》阅读精选 Other early precedents for today's smorgasbord of borrowable objects include framed paintings (1904 in Newark, New Jersey), piano rolls (1907 in Evanston, Illinois), and stereoscopes (1909 in Portland, Oregon). 其他早期的可借阅物品先例还包括裱好的油画(1904年，产自新泽西州的纽瓦克)、钢琴卷(1907年，产自伊利诺伊州的埃文斯顿)和立体镜(1909年，产自俄勒冈州的波特兰市)。英语百科 Piano roll A piano roll is a music storage medium used to operate a player piano, piano player or reproducing piano. A piano roll is a continuous roll of paper with perforations (holes) punched into it. The perforations represent note control data. The roll moves over a reading system known as a 'tracker bar' and the playing cycle for each musical note is triggered when a perforation crosses the bar and is read.
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