单词	Perfect Proportion
释义	Perfect Proportion Since (1) it follows that (2) so (3) where and are the Arithmetic Mean and Harmonic Mean of and . This relationship was purportedly discovered by Pythagoras. See also Arithmetic Mean, Harmonic Mean
随便看	Pépin's Theorem Pólya-Burnside Lemma Pólya Conjecture Pólya Distribution Pólya Enumeration Theorem Pólya Polynomial Pólya's Random Walk Constants Pólya-Vinogradov Inequality Pósa's Theorem Q q-Analog q-Beta Function q-Binomial Coefficient q-Binomial Theorem q-Cosine q-Derivative q-Dimension Q.E.D q-Extension q-Factorial Q-Function q-Gamma Function q-Generalization q-Hypergeometric Series Q-Matrix

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