单词	radio frequency
释义	radio frequency noun : any of the electromagnetic wave frequencies that lie in the range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used for communications signals (as for radio and television broadcasting and cell-phone and satellite transmissions) or radar signals Example Sentences Recent Examples on the Web Among other items on the board are radio frequency equipment, power over ethernet systems, and a GPS receiver. Wired, 11 Aug. 2022 Google registered a total of seven exhibits with the FCC's Office of Engineering and Technology (OET): two cover letters, a label sample, radio frequency exposure info, and a trio of test reports. Stephanie Mlot, PCMAG, 2 Aug. 2022 Movano’s technique for glucose monitoring uses radio frequency waves to analyze changes in blood glucose. Andrew Williams, Forbes, 27 Dec. 2021 Nadal followed the same template, racing the clock to recover from a radio frequency ablation, which deadens nerves through the use of radio waves, to treat a left foot injury before playing — not quite so convincingly — at Hurlingham. New York Times, 26 June 2022 In the meantime, companies that operate regional aircraft with radio altimeters most susceptible to interference—Embraer, Boeing, Airbus, and Mitsubishi Heavy Industries—must retrofit them with radio frequency filters by the end of 2022. Chloe Albanesius, PCMAG, 18 June 2022 Officials said law enforcement communications took place on a radio frequency that was not recorded by the agency. Camilo Montoya-galvez, CBS News, 8 July 2022 Another idea would add antennas and radio frequency transmission equipment to broadcast the tampering information to interested users. Manasee Wagh, Popular Mechanics, 11 Apr. 2022 As for Vargas herself, the unofficial queen of facials gets regular treatments at her spa, including microneedling with radio frequency, microcurrent facials, acid peels, and face massages. Ariana Yaptangco, Glamour, 24 May 2022 See More Word History First Known Use 1915, in the meaning defined above Medical Definition radio frequency noun : any of the electromagnetic wave frequencies that lie in a range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used for communications signals (as for radio and television broadcasting and cell-phone transmissions) or radar signals —often hyphenated when used before another noun radio-frequency waves
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