| 单词 | shortwave |
| 释义 | shortwave /shawrt"wayv"/, n., adj., v., shortwaved, shortwaving. n. 1. Elect. a radio wave shorter than that used in AM broadcasting, corresponding to frequencies of over 1600 kilohertz: used for long-distance reception or transmission. 2. See shortwave radio. 3. Physics. a wave of electromagnetic radiation equal in length to, or shorter than, the wavelength of visible light. adj. 4. of, pertaining to, or using shortwaves. v.t. , v.i. 5. to transmit by shortwaves. [1900-05; SHORT + WAVE] |
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