Much as every integer can be broken down into a product of prime numbers, the symmetries of any object can be constructed from a collection of basic building blocks known as simple groups.

 
  • 正如每個(gè)整數都可用一些質(zhì)數的積表示,任一對象的對稱(chēng)都可由所謂簡(jiǎn)單群的基本構件集合構造出來(lái)。
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