shortwave
n. 短波 vt. 用短波发射
发音
词形变化
别名
释义与例句
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1.
An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.
短波
媒体 工程 物理Shortwaves are longer than microwaves.
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2.
An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.
Downward radiation in the shortwave (noun sense 1) frequency range which enters the Earth's atmosphere.
气象 媒体 工程 物理 -
3.
An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.
A waveband comprising radio waves in the shortwave (noun sense 1) frequency range, especially when used in broadcasting.
媒体 工程 物理Many stations broadcast on shortwaves.
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4.
An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.
In full shortwave radio: a radio which is able to receive radio waves in the shortwave (noun sense 1) waveband.
媒体 工程 物理
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1.
Of a radio wave: having a wavelength of between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.
短波
媒体 工程 -
2.
Of radio equipment: capable of receiving or transmitting radio signals at wavelengths in the above range.
短波
媒体 工程
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1.
Using radio waves having wavelengths of between 10 and 100 metres, corresponding to frequencies between 3 and 30 megahertz.
媒体 工程
词汇关系
上位词 1
词源
The noun is derived from short (adjective) + wave (noun). The adjective is from an attributive use of the noun. The adverb is also derived from the noun.
来源：wiktionary