“direction of propagation”的概念、定义、翻译、参考文献-科学参考

单词	direction of propagation
释义	direction of propagation [dǝ`rek·shǝn ǝv ´präp·ǝ`gā·shǝn] ^PHYSICS 1. The normal to a surface of constant phase, in a propagating wave. 2. The direction of the group velocity. 3. The direction of time-average energy flow.(In a homogeneous isotropic medium, these three directions coincide.)
随便看	alkoxide alkoxy alkyd paint alkyd resin alkyl alkylamine alkylaryl sulfonates alkylate alkylate bottom alkylated gasoline alkylation alkylbenzene sulfonates alkylene alkyl halide alkyloxonium ion alkyne allachesthesia allactite allalinite allanite allantoic acid allantoin allantoinase allantois allantoxanic acid

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