英语词汇“limiting ray”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	limiting ray
释义	limiting ray limiting ray [′lim·əd·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.
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