Remember that the pure fifth you get from harmonics is a frequency ratio of 3/2. In 12-TET, however, you make a fifth by adding up seven semitones. This means that you multiply your frequency by the 12th root of two seven times, which comes to about 1.498. That’s close to 3/2, but it’s not exact. As a result, fifths in 12-TET sound a little flat compared to what your ear is expecting from natural harmonics.
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第二百八十八条 有关船舶碰撞的请求权，时效期间为二年，自碰撞事故发生之日起计算。，详情可参考新收录的资料
第一百一十六条 经证明，旅客的人身伤亡或者行李的灭失、损坏是因承运人的故意或者明知可能造成损害而轻率地作为或者不作为造成的，承运人不得援用本法第一百一十四条和第一百一十五条限制赔偿责任的规定。
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