1.
Value of Ultrasonography High-frequency and Low-frequency Probe Combined to Diagnose Acute Appendicitis
高低频探头联合应用诊断急性阑尾炎的价值
2.
Discuss of High-Frequency Color Doppler in Acute Appendicitis Diagnosis
彩超高频探头诊断急性阑尾炎的探讨
3.
Exploration and Practice on Construction of Low Frequency Electronic Circuit;
《低频电子线路》课程建设的探索与实践
4.
Medium and low frequency underwater acoustic signals detecting with laser interferometry
中低频水下声信号的激光干涉法探测
5.
Study of Ultra-Low Frequency Electromagnetic Wave Exploration to Deep Geological Information
深部地质信息的超低频电磁探测研究
6.
An Artificial ULF/ELF Electromagnetic Source Used in Geophysical Prospecting
一种用于地球物理探测的人工超低频/极低频电磁场源
7.
VLF/LF radio sounding of ionospheric perturbations associated with earthquakes
与地震有关的电离层扰动的甚低频/低频无线电探测
8.
Numerical simulation of impedance characteristic of low-frequency ultrasonic nozzle for aeroponic culture
低频超声雾化栽培喷头阻抗特性的数值模拟
9.
Low Frequency Vibration Measurement System of MEMS 3D Micro Tactile Probe
MEMS三维微触觉测头的低频振动测试系统
10.
Low-altitude Detection by Monostatic Passive Location System Based on FM Broadcast Signals
基于调频广播单站无源定位系统的低空探测
11.
Nutritional interventions to reduce mucous excretion in the captive giant panda (Ailuropoda melanoleuca)
降低圈养大熊猫排粘液频率的措施初探
12.
Research on the Problem of Low-Frequency Response of Geophone Array in Seismic Prospecting;
地震勘探检波器组合低频响应问题研究
13.
Study of Algorithms for Low Bit-rate H.264 Video Coding and Research of Hardware Realization;
低码流H.264视频编码算法研究及FPGA实现探讨
14.
Filtering of Ultra-Low Electromagnetic Detection Signal Using Independent Component Analysis
基于独立成分分析的超低频电磁探测信号滤波
15.
PSS parameters setting principle and countermeasure for low frequency oscillation
PSS配置整定原则及低频振荡防止对策探讨
16.
Study on Low Frequency Noise of InGaAs Infrared Detectors with Two Passivation Structures
两种钝化结构InGaAs红外探测器低频噪声的研究
17.
Time-frequency analysis on influence of low resistive shielding layer in the exploration of transient electromagnetic field
瞬变电磁场探测中低阻屏蔽层影响的时-频分析
18.
Tentative application of operational modal analysis in identifying power systems low frequency oscillations
工况模态分析在低频振荡辨识中的应用初探