| 单词 | hz |
| 释义 | > as lemmasHz Hz n. hertz (unit of frequency). Π 1958 Quantities & Units Periodic Phenom. (ISO Recommendation R 31) 5 1 Hz is the frequency of a periodic phenomenon of which the periodic time is 1 s. 1966 Wireless World Sept. 50 (advt.) In order to extend the flat response below 40 Hz the rear of the bass driver is loaded with an acoustic transmission line. 1969 Sears, Roebuck Catal. Spring–Summer 8 Frequency response of 35 to 18,000 Hz. Crossover is at 2500 Hz. < as lemmas |
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