单词 | radio-frequency |
释义 | radio-frequency n frequency of electromagnetic waves used in radio and TV transmission, between 10kilocycles per second and 3000000 megacycles per second射频, 无线电频率(无线电传递和电视发送所用电磁波的频率, 其范围从每秒10千周到3000000兆周之间). |
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