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单词 c/s
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c/s
c/s n. cycles per second.
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the world > matter > physics > science of sound > vibration > [noun] > unit of frequency
c/s1940
c.p.s.1940
cycles per second1940
the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > frequency > unit of frequency
kilocycle1921
megacycle1926
Hertz1928
Mc1936
Mc/s1936
c/s1940
c.p.s.1940
cycles per second1940
1940 Chambers's Techn. Dict. 206/1 C/s., cycles per second.
1943 C. L. Boltz Basic Radio ix. 147 The range of frequencies making audible sound is approximately from 20c/s to 20000c/s.
1968 Radio Communication Handbk. (ed. 4) v. 32/1 The oscillator..may be..frequency modulated by 50 c/s if the bottom end of the grid leak is connected to the live 6·3 volt heater supply.
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