1.
quartz crystal calibration equipment
石英晶体频率校准仪
2.
Influence of Interaction Time on Frequency Shift Quantity of Frequency Change in Photonic Crystal
光子晶体频率变换中作用时间对频率变化量的影响分析
3.
variable frequency crystal oscillator
可变频率晶体振荡器
4.
field-effect HF power transistor
场效应高频功率晶体管
5.
germanium low frequency high power triode
锗低频大功率晶体三极管
6.
crystal-controlled secondary standard frequency measuring equipment
晶体控制次级频率标准测试装置
7.
The quartz crystal in the watch is made to vibrate at a frequency of 56,000 times a second.
使钟表里的石英晶体以每秒56，000次的频率振荡。
8.
The ordinary crystal impedance instrument is to choose the different products.
一般的晶体阻抗计没有分选频率的功能。
9.
Control Scheme and Implement of CVCF Power Transistor Inverter
恒压恒频功率晶体管逆变器的控制及实现
10.
Study of Electric Ray Annealing on High Power Transistor Chip
低频大功率晶体管芯片的电子束退火研究
11.
Study on Quartz Crystal Viscosity Sensor and Its Frequency Characteristic;
石英晶体粘度传感器及其频率特性的研究
12.
The Study and Design of High Frequency Power SiGe Heterojunction Bipolar Transistors(HBTs);
高频功率SiGe异质结双极晶体管（HBTs）的研究与设计
13.
Investigation on the Thermal Effect in BBO Crystal by Low-power Pumped Frequency Doubling
低功率抽运下BBO晶体倍频过程中热效应的研究
14.
Calculated method measurement study on load resonance frequency of quartz crystal
石英晶体负载谐振频率的计算法测量研究
15.
Fourth harmonic all-solid-state low power ultraviolet laser by BBO crystal
BBO晶体四倍频全固态小功率紫外激光器
16.
ESTIMATED THE LONG-TERM FREQUENCY AGING RATE OF QUARTZ CRYSTAL ELEMENT BY CURVILINEAR EQUATION
利用曲线回归方程估计石英晶体元件的长期频率老化率
17.
Most are crystal oscillators that take advantage of the inherent resonance of a( quartz) crystal to obtain frequency stability.
大多数是晶体振荡器，它利用（英）体固有共振的优点，所以频率稳定。
18.
Study on the Modeling and Fabrication of 4H-SiC RF Power;
4H碳化硅射频功率金属半导体场效应晶体管的模型及工艺研究