1.
Experimental Study on Characteristics of Self-excited Oscillation Pulsed Water Jet

自激振荡脉冲射流频率特性实验研究
2.
Numerical prediction for extreme jet flow frequency of rotary gas wave refrigerator

旋转式气波制冷机极值射流频率的数值预测
3.
the signal flowgraph of RF/microwave power measurement

射频/微波功率测量的信号流图表示
4.
Effect of perturbation frequency and spray pressure on liquid alloy jet instability

干扰频率与喷射压强对合金射流的影响
5.
radio frequency emission testing

无线电频率放射测试
6.
underwater emission-and direction frequencies

水下发射和定向频率
7.
frequency tolerance of radio transmitter

无线电发射机频率容限
8.
hydrogen maser frequency standard

氢激射型原子频率标准
9.
cesium atomic beam frequency standard

铯原子射束的频率标准
10.
radio-frequency alternator

射频发电机;射频交流发电机;高频同步发电机
11.
Analysis and Application Design of RF PLL Frequency Synthesizer;

射频锁相环频率合成器的分析与设计
12.
Design of Frequency Synthesizer in Ultra Wide-Band Radio Frequency Integrated Circuits

超宽带射频芯片中的频率综合器设计
13.
It is verified the time harmonic wave propagation consists of a incident wave and a reflected wave( even if by circuit theory of ABCD matrix of R, L, C).
验证传输线上各频率成份弦波电压及电流之沿线分布(路矩阵模式解)入射波与反射波所合成。
14.
The lower the frequency is, the greater the refraction of a cave will be .

频率越低,波的折射率越强。
15.
An Improved Formula for Calculating Radiation Efficiency of Plate Around the Cut-off Frequency
平板截止频率附近辐射效率修正算法
16.
RF Oscillator and Mixer Operating on Transistor Characteristic Frequency;

三极管特征频率下射频振荡器和混频器
17.
frequency-DC voltage converter

频率-直流电压变换器
18.
commutator frequency changer

换向器变频机整流子频率变换器