“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	Lower Sonoran life zone lower transit Lower Triassic lower yield point lowest required radiating power lowest safe waterline lowest useful high frequency low-expansion alloy low explosive low-freezing dynamite low-frequency low-frequency acquisition and ranging low-frequency antenna low-frequency compensation low-frequency current low-frequency cutoff low-frequency cycle low-frequency gain low-frequency impedance corrector low-frequency induction furnace low-frequency loran low-frequency padder low-frequency propagation low-frequency spectrum low-frequency transconductance

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