全部和谐音程表（泛音表）
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内容提要
\>\>\> for i in [(i, j, 12 * math.log(float(j)/i, 2)) for i, j in itertools.permutations([1,2,3,4,5,6], 2) if i < j]: print i ... (1, 2, 12.0) (1, 3, 19.019550008653876) (1, 4, 24.0) (1, 5,...
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