| 单词 | pulse repetition frequency |
| 释义 | > as lemmaspulse repetition frequency pulse repetition frequency n. ΚΠ 1947 Science 10 Oct. 333/1 The rectangular pulses used in this experiment contain all harmonics of the fundamental pulse repetition frequency at approximately equal amplitude. 1993 Jrnl. Insect Behavior 6 125 The pulse repetition frequency of the male song is known to be involved in mate recognition and also to vary among geographical populations. < as lemmas |
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