1) twelve frequencies
十二律
1.
Sanfen sunyi method was firstly used in ancient China to calculate relative pitch,tone relations and scale structures of pentatonic scale,diatonic scale and twelve frequencies.
中国古代首先用"三分损益法"计算五声音阶、七声音阶和十二律的相对音高、音程关系及音阶结构。
2) twelve pitch pipes
十二律吕
3) twelve-tone equal temperament
十二平均律
1.
The new bamboo flute, which basically maintains the style and the traditional playing way of the ordinary bamboo flute, can be used to play the Twelve-Tone Equal Temperament conveniently.
新竹笛,基本保持了普通六音孔竹笛的传统演奏方法和风格,同时可以方便的吹奏十二平均律。
4) Twelve tone Equal Temperament
十二平均律
1.
The Chinese way to develop temperament modulations differing from those of Europe,China mainly evolved five tone cadence temperament and twelve tone equal temperament,meanwhile pure tone temperame.
十二平均律、五度相生律 (三分损益律 )和纯律是当今国际音乐界应用最多 ,影响最大的律制。
5) Twelve tone scale pipa
十二平均律琵琶
6) 12 pitch-pipes made of bamboo
十二竹音律管
补充资料：十二律
1.古乐的十二调。阳律六:黄钟﹑太簇﹑姑洗﹑蕤宾﹑夷则﹑亡射;阴律六:大吕﹑夹钟﹑中吕﹑林钟﹑南吕﹑应钟。共为十二律。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条