n.频繁;频率
Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
Accidents are happening with increasing frequency. 事故正在愈加频繁地发生。
He wrote to both with tolerable frequency. 他和他们通信,相当频繁。
He varied the transmission frequency. 他变换了无线电传送的频率。
He tuned his radio to the police frequency. 他把无线电调到警方的频率。
The pitch depends on the frequency. 音调的高低是由频率决定的。
adj.高周波的;高频率的
midfrequencyn.中频
radio-frequencyn.射频;无线电频率
variable-frequency可变频率
low-frequencyadj.低周波的;低频率的