1.
A Study of the High Frequency Variations of Earth Rotation Parameters Based on VLBI Observation;
基于VLBI资料的地球定向参数高频变化研究
2.
Research on High Frequency Structure and Dynamic Characteristics of Digital-controlled 400Hz Inverter System;
数字化中频逆变器动态特性及其高频化研究
3.
Improvement of High-voltage Frequency Conversion for the Blower of Fluidized Bed Boiler
循环流化床锅炉风机的高压变频改造
4.
Series Optimization Design for High-power High-voltage High-frequency Transformer
大功率、高压、高频变压器的串联优化设计
5.
Research on HF Technology of IGBT Series Resonance Inverter;
IGBT串联谐振型逆变器高频化技术的研究
6.
Optimum Design of High-Power High-Frequency Switching Power Supply Transformer
大功率高频开关电源变压器的优化设计
7.
Application of High Voltage Inverter in the Circulation Fluid Bed Boiler
高压变频器在循环流化床锅炉中的应用
8.
Changes of the tibia periosteal thickness detected with high frequency ultrasonography before and after military training
新兵集训胫骨骨膜动态变化的高频超声测量
9.
Application of Numerical Control High Pressure Frequency Conversion System's in Mine Hoist
数字化控制高压变频系统在矿井提升中的应用
10.
Application of High-Voltage Inverter in Dust Breeze Machine in Yuzhong Steel Plant
高压变频器在榆中钢厂焦化除尘风机的应用
11.
A High Linear CMOS Up-Conversion Mixer;
高线性度的CMOS上变频混频器设计
12.
Application of Digital Up-Converter in IF Digitalization
数字上变频器在中频数字化中的应用
13.
The Research of the Downconverter of the Intermediate Frequency(if) Digital Receiver;
中频数字化接收机中的下变频器研究
14.
Any subtle change of capacitance can be measured through the method of modulation on high-frequency harmonic oscillation return circuit.
电容的微小变化可通过对高频谐振回路调制的方法进行测量。
15.
The changing trend of the two examinations was accordant.
两种检查中,高频听力损失组的两个指标变化趋势相一致。
16.
USING FREQUENCY GOVERNOR AND SLURRY OIL PUMP IS THE NEW WAY TO IMPROVE THE AUTOMATIC LEVEL IN CLAY UNIT
变频器加油浆泵是白土装置提高自动化水平的新路子
17.
Digital Realization and Studying on the Reliability of Cascaded High Voltage Conveter;
单元级联高压变频器的数字化实现与可靠性研究
18.
The Sedimentary Control to Mudstone and Shale of High-frequency Cycle by Paleoclimate Change;
古气候变化对湖相高频旋回泥岩和页岩的沉积控制