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Physics · 术语表

什么是 In phase, in phase opposition?

又称: in phase · phase opposition

Definition 20.17 High School Physics · 第 20 章 — Mechanical Waves

Two points separated by a whole number of wavelengths, d=kλd = k\lambda, move identically at every instant: they are in phase. Points separated by d=(k+12)λd = (k + \tfrac12)\lambda always move oppositely — crest against trough: they are in phase opposition.

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