the frequency of earthquakes
繁的地震
繁；波段
, 回荡;
；低周波域；范围变换，固有；本盏
；
放幅谱；谱器带；段控制；划分范围；振动；波动分复用；分多路传输；工业；谐振；共鸣the frequency of earthquakes
繁的地震
high-frequency microvoltmeter
高微伏计
frequency selective system
选系统
Low-frequency rolloff.
低上移。
resonant frequency excitation.
共振激发
the frequency selector of a radio.
收音机的调谐旋钮
the input is a low-frequency signal.
输入的是低信号。
frequency of passing urine.
排尿次数，排尿度。
a frequency of 14.5MHz 14.5
兆赫的
Automatic frequency control (AFC) system is used to adjust the frequency of microwave power source to match the inherent frequency of acceleratory tube.
自动控制(AFC)系统用于调节微波功源输出的微波,使之与加速管的固有谐振匹配。
4.Automatic frequency control (AFC) system is used to adjust the frequency of microwave power source to match the inherent frequency of acceleratory tube.
自动控制(AFC)系统用于调节微波功源输出的微波,使之与加速管的固有谐振匹配。
Use the Frequency Spectrum (FFT) display to measure the approximate value of the fundamental frequency of the wire on the Sonometer.
使用谱（FFT）显示测量振动计上金属丝基的近似值。
The drug can reduce the frequency and severity of attacks.
这种药能降低发病次数和严重程度。
inaudible pulses of high-frequency sound.
听不见的高音脉冲。
If we can know their frequency we will monitor their talking.
如果我们知道他们的, 我们就能监听他们的谈话。
Then a planar blind search algorithm based on frequency domain and time domain, which can autoscan all the frequency point and symbol rate.
接着提出了一种基于域和时域的二维盲扫算法,可以实现全段的高速高效点及符号的自动搜索。
Could versus signal passing programme came realize frequency demultiplication, could realize precise frequency synthesis output.
可以对信号通过编程来实现分，从而可以实现精确的合成输出。
The frequency of HF is determined by the ratio of respiratory frequency and heart rate.The results also indicated that nonadditivity of heart rate modulation by sympathetic an...
高峰的是呼吸与心之比，低和极低可能与交感和副交感神经调节心的非可加性有关。
When the frequency changer has malfunction, power frequency is adopted, and the motor speed is nonadjustable.
万一变器出现故障时，可工驱动，转速不可调。
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