If we wanted to enlarge the original square (to find an outer square) we would again follow the natural law of the musical octave, ie powers of 2.
如果我们想扩大原广场(寻找外部平方米)，我们将再次跟随音乐八度音，2即自然法的权力。
In this mixed environ ment humans can easily detect frequencies as fine as one twelfth of an octave—a half step in musical terminology.
于是，在混合的声音环境中，人类能够听得到的声音频率能够精细到一个八度音阶的12分之1，即音乐术语中的半音（此处感谢Zakk指教）。
Almost all musical systems are based on scales spanning an octave-the note that sounds the same as the one you started off with, but at a higher or lower pitch.
几乎所有的音乐体系都是基于所跨越的八度音阶范围——这一音符的发音同开始时的完全一样，只是音高或高或低。
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