单词 | high frequency |
释义 | high frequency (once / 26863 pages) n WORD FAMILY high frequency: high frequencies USAGE EXAMPLESA synchrotron is a high powered X-ray generator, running 24 hours day and night to provide high frequency light beams for scientific research. Nature(Dec 15, 2016) Five minutes later, the high frequency ringing of the abandon ship alarm is heard. Washington Times(Dec 14, 2016) “He hears no high frequencies, only low frequencies,” she said. Washington Times(Nov 21, 2016) 1n 3 to 30 megahertz Syn|Hyper HF radio frequency an electromagnetic wave frequency between audio and infrared 2n a pitch that is perceived as above other pitches Syn|Ant|Hyper high pitch low frequency, low pitch a pitch that is perceived as below other pitches pitch the property of sound that varies with variation in the frequency of vibration |
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