shortwave
名词 n.
形容词 adj.
副词 adv.
英 /ˈʃɔːtweɪv/
美 /ˈʃoɹtˌweɪv/
英文释义
名词 n.
-
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.
— Shortwaves are longer than microwaves.
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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.
— Shortwave fadeout data for the period 1955 through 1969 were analyzed and correlated with solar flare data for the same period. […] Some doubt is cast on the quality of the shortwave fadeout data during the early part of the period considered.
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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.
— Many stations broadcast on shortwaves.
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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.
— Finally in all the crackle and noise of the short-wave one of our men made contact with another boat.
形容词 adj.
- Of a radio wave: having a wavelength of between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz.
- Of radio equipment: capable of receiving or transmitting radio signals at wavelengths in the above range.
副词 adv.
- Using radio waves having wavelengths of between 10 and 100 metres, corresponding to frequencies between 3 and 30 megahertz.
词汇关系
词源
词源 1
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.
The adjective is from an attributive use of the noun. The adverb is also derived from the noun.
词源 2
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.
The adjective is from an attributive use of the noun. The adverb is also derived from the noun.
词源 3
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.
The adjective is from an attributive use of the noun. The adverb is also derived from the noun.
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数据来源: Wiktionary