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	Hodge Star Hodge's Theorem Hoehn's Theorem Hoffman-Singleton Graph Hoffman's Minimal Surface Hofstadter-Conway $10,000 Sequence Hofstadter Figure-Figure Sequence Hofstadter G-Sequence Hofstadter H-Sequence Hofstadter Male-Female Sequences Hofstadter Point Hofstadter Sequences Hofstadter's Q-Sequence Hofstadter Triangle Hole Holomorphic Function Holonomic Constant Holonomic Function Holonomy Homeoid Homeomorphic Homeomorphic Group Homeomorphic Type Homeomorphism Home Plate

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