| 单词 | radio frequency |
| 释义 | radio frequency (once / 44771 pages) n WORD FAMILY radio frequency: radio frequencies USAGE EXAMPLESHe points to other transnational regulations—co-ordinating radio frequencies, for instance—which Britain will remain within. Economist(Dec 15, 2016) She studied radio frequency interference and statistical analysis under the wing of astronomer Richard Prestage and an undergraduate student from Oregon Tech. Washington Times(Nov 05, 2016) The transit agency’s board also voted to lease the final radio frequency it needs to install the positive train control system by a 2018 deadline. Seattle Times(Oct 27, 2016) n an electromagnetic wave frequency between audio and infrared Hypo|Hyper station the frequency assigned to a broadcasting station ELF, extremely low frequencybelow 3 kilohertz VLF, very low frequency3 to 30 kilohertz LF, low frequency30 to 300 kilohertz MF, medium frequency300 to 3000 kilohertz HF, high frequency3 to 30 megahertz VHF, very high frequency30 to 300 megahertz UHF, ultrahigh frequency300 to 3000 megahertz SHF, superhigh frequency3 to 30 gigahertz EHF, extremely high frequency30 to 300 gigahertz frequence, frequency, oftenness the number of occurrences within a given time period |
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