在公元前250年一个阿波罗的节日上,数百名音乐家组成的乐队演奏了五重奏来庆祝阿波罗战胜了蟒蛇。
In 250 BC at a festival to Apollo, a band of several hundred musicians played a five-movement piece celebrating Apollo's victory over python.
这些隧道被称为五重唱隧道。
五重,三重和两重螺旋对称轴。
And fivefold, threefold and twofold axes of rotational symmetry.
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