radio frequency
短语无线电频率 [计] 射频
词形变化
radio frequencies
复数
radio frequencies
别名
radiofrequency
rf
RF
释义与例句
n.
-
1.
That part of the electromagnetic spectrum, between about 3 kHz and 300 MHz, within which radio waves are transmitted.
不可数 可数 -
2.
A frequency in this range.
可数 不可数