| 释义 |
megacycle|ˈmɛgəsaɪk(ə)l|
[f. mega- b + cycle n.]
a. One million cycles (of an oscillation or other periodic phenomenon).
b. ellipt. One million cycles per second; = megahertz (mega- b).
1928Sterling & Kruse Radio Manual 45 The frequency of 1,000,000 cycles can then be expressed as 1,000 kilocycles or 1 megacycle. 1936A. Hund Phenomena High-Frequency Syst. ii. 56 It may be assumed from the theory of the ionized layer that for waves below 10 m in length (above 30 megacycles/sec) the sky wave passing toward this layer will never be returned. 1955Radio Times 22 Apr. 3/1 The BBC decided..to build..short-range V.H.F. stations operating on frequencies around 90 megacycles per second. 1959[see kilocycle]. 1971C. Bonington Annapurna South Face iii. 38 Kelvin plunges into details of frequencies, megacycles and all the other gibberish of technical experts. |