单词 | kilo-hertz |
释义 | > as lemmaskilo-hertz kilo-hertz n. Brit. /ˈkɪlə(ʊ)həːts/ , U.S. /ˈkɪləˌhərts/ , /ˈkiləˌhərts/ Π 1929 Daily Express 11 Jan. 3/6 A national common frequency of 1,040 kilohertz (288·5 metres). 1935 H. C. Turner & E. H. W. Banner Electr. Measurements i. 4 Cycle per second. [Note] For radio purposes this is sometimes termed the ‘Hertz’ and a practical unit called the ‘Kilohertz’ or 1000 cycles per second used. 1967 Electronics 6 Mar. 183/1 Since the power is limited, the bandwidth has to be restricted to 500 kilohertz. < as lemmas |
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