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Now let’s extend our tuning system further by treating D as our base note. The harmonics of D give us two more new notes: the third harmonic is A at 27 Hz (and 27/2 Hz and 27/4 Hz and 27/8 Hz), and the fifth harmonic is F-sharp at 45 Hz (and 45/2 Hz and 45/4 Hz and 45/8 Hz).
���f�B�A�ꗗ | ����SNS | �L���ē� | ���₢���킹 | �v���C�o�V�[�|���V�[ | RSS | �^�c���� | �̗p���� | ������。业内人士推荐新收录的资料作为进阶阅读
"We have our fair share of hoards in Norfolk, but this is so, so different - it is really, really special," he added.
，推荐阅读新收录的资料获取更多信息
Для россиянки отдых в отеле закончился сломанным носом14:49
25-летний турист из России загадочно пропал в Таиланде20:46。关于这个话题，新收录的资料提供了深入分析