| 单词 | noise meter |
| 释义 | > as lemmasnoise meter noise meter n. ΚΠ 1931 Proc. IRE 19 1953 This instrument, which has been called a ‘circuit noise meter’, consists of an amplifier, a frequency weighting network, a rectifier, and an indicating meter. 1963 Science 8 Nov. 9/1 (advt.) It consists of a Bias Supply and Noise Meter, Window Amplifier, Vacuum Chamber, and a Precision Pulse Generator. 1998 N.Y. Times 3 Dec. a30/1 Inspectors..bearing noise meters monitored a reading of the names of people who had died. < as lemmas |
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