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	Hailstone Number Hairy Ball Theorem Half Half-Closed Interval Half-Normal Distribution Half-Open Interval Halley's Irrational Formula Halley's Method Halley's Rational Formula Hall-Janko Group Halphen Constant Halphen's Transformation Halting Problem Hamiltonian Circuit Hamiltonian Cycle Hamiltonian Graph Hamiltonian Group Hamiltonian Map Hamiltonian Path Hamiltonian System Hamilton's Equations Hamilton's Rules Hammer-Aitoff Equal-Area Projection Hamming Function Ham Sandwich Theorem

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