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单词 constant frequency
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constant frequency
constant frequency n.
ΚΠ
1935 Discovery Nov. 325/1 Some lengths of constant frequency film of known accuracy were obtained.
1940 Chambers's Techn. Dict. 191/2 Constant-frequency oscillator, an oscillator in which special precautions are taken to ensure that the frequency remains constant.
1956 Nature 10 Mar. 470/2 The accelerated electrons can stay in phase with the constant-frequency accelerating voltage.
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更新时间:2024/9/21 1:20:47