释义 |
nounRadio. (of the two waves into which a radio wave is divided in the ionosphere under the influence of the earth's magnetic field) the wave with characteristics more nearly resembling those that the undivided wave would have exhibited in the absence of the magnetic field. Compare extraordinary wave. Words nearby ordinary waveordinary ray, ordinary seaman, ordinary share, ordinary shares, ordinary stock, ordinary wave, ordinate, ordination, ordn., ordnance, ordnance datum Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |