英语词汇“line spectrum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

line spectrum n. a spectrum containing lines distributed apparently at random (rather than in groups as in a band spectrum); hence, an emission (of light, sound, or other radiation) composed of a number of discrete frequencies or energies.

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the world > matter > physics > atomic physics > decomposition of light, spectrum > [noun] > characterized by lines

line spectrum1873

1873 London, Edinb. & Dublin Philos. Mag. 4th Ser. 46 406 When the gas is near atmospheric pressure, the line-spectrum of nitrogen is brilliant.

1885 H. E. Roscoe Spectrum Anal. (ed. 4) iii. 130 Nearly all bodies..have been found to exhibit both a band and a line spectrum, the band spectrum always belonging to the lower temperature.

1923 R. Glazebrook Dict. Appl. Physics IV. 780/1 Luminous spectra can be divided into two classes, namely continuous spectra..and discontinuous spectra... Discontinuous spectra may be subdivided into line and band spectra.

1955 G. A. Miller & P. E. Nicely in S. Saporta & J. R. Bastian Psycholinguistics (1961) 165/2 Acoustically, this means that the voiceless consonants are aperiodic or noisy in character, whereas a periodic or line-spectrum component is superimposed on the noise for voiced consonants.

1962 H. D. Bush Atomic & Nucl. Physics iv. 96 There are two main features of a β-particle spectrum, a continuous spectrum with energies ranging from zero to a maximum value..and a line spectrum consisting of a number of discrete energies superimposed on the continuous spectrum.

1962 A. Nisbett Technique Sound Studio 254 A sound which is composed of individual frequencies (fundamental and harmonics or partials, or a combination of pure tones) has a line spectrum. Bands of noise have a band spectrum.

单词	line spectrum
释义	> as lemmas line spectrum line spectrum n. a spectrum containing lines distributed apparently at random (rather than in groups as in a band spectrum); hence, an emission (of light, sound, or other radiation) composed of a number of discrete frequencies or energies. ΘΚΠ the world > matter > physics > atomic physics > decomposition of light, spectrum > [noun] > characterized by lines line spectrum1873 1873 London, Edinb. & Dublin Philos. Mag. 4th Ser. 46 406 When the gas is near atmospheric pressure, the line-spectrum of nitrogen is brilliant. 1885 H. E. Roscoe Spectrum Anal. (ed. 4) iii. 130 Nearly all bodies..have been found to exhibit both a band and a line spectrum, the band spectrum always belonging to the lower temperature. 1923 R. Glazebrook Dict. Appl. Physics IV. 780/1 Luminous spectra can be divided into two classes, namely continuous spectra..and discontinuous spectra... Discontinuous spectra may be subdivided into line and band spectra. 1955 G. A. Miller & P. E. Nicely in S. Saporta & J. R. Bastian Psycholinguistics (1961) 165/2 Acoustically, this means that the voiceless consonants are aperiodic or noisy in character, whereas a periodic or line-spectrum component is superimposed on the noise for voiced consonants. 1962 H. D. Bush Atomic & Nucl. Physics iv. 96 There are two main features of a β-particle spectrum, a continuous spectrum with energies ranging from zero to a maximum value..and a line spectrum consisting of a number of discrete energies superimposed on the continuous spectrum. 1962 A. Nisbett Technique Sound Studio 254 A sound which is composed of individual frequencies (fundamental and harmonics or partials, or a combination of pure tones) has a line spectrum. Bands of noise have a band spectrum. extracted from linen.² < as lemmas
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