“limiting ray”的概念、定义、翻译、参考文献-科学参考

单词	limiting ray
释义	limiting ray [`lim·ǝd·iŋ `rā] ^ACOUSTICS Any ray which is tangent to a plane at which the velocity of propagation of sound has a maximum value, either at a boundary of the medium of propagation or at a level where the velocity gradient changes sign.
随便看	marking-end distortion marking pulse marking wave Markov chain Markov inequality Markovnikoff's rule Markov process mark reading mark sensing mark-space multiplier mark-space ratio mark-to-space ratio mark-to-space transition marl marline marline spike marlite marlstone marly marmatite marmolite marmon clampband Marmor marmoset marmot

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