1.
Design and Simulation of Downhole Low-frequency Pulse Water Injection Tool
井下低频脉动注水工具设计及仿真计算
2.
Design and Research on Downhole Water Injection Tool with Low-frequency Hydraulic Pressure Pulse
井下低频水力脉冲注水工具设计与研究
3.
Study and field application of a low frequency downhole hydraulic cement pulsation device
新型井下低频水力振动固井装置的研制
4.
Low-Frequency Pulsed Eddy Current Testing Technology in Quantification of Corrosion on Sub-Surface
下表面腐蚀定量中的低频脉冲涡流检测技术
5.
Report of haemodynamics in patients with vertebral artery type of cervical spondylosis treated by solution technique with low-amplitude and low-frequency
低幅低频松解手法对椎动脉型颈椎病血流动力学的影响
6.
Research on GMM-based Low-frequency High-power Borehole Sound Source;
基于GMM的低频大功率井下声发生器的应用基础研究
7.
STUDY ON THE MACHINERY FAULT DIAGNOSIS UNDER LOW FREQUENCY VIBRATION;
低频振动下机械故障诊断技术的研究
8.
program control low frequency pulse treatment
程控低频脉冲治疗仪
9.
Trapping stiffness measurement with brownian motion analysis method at low sampling frequency
低频响及低采样频率下用布朗运动分析法测量光阱刚度
10.
Study on the Low Frequency Oscillation and Torque Ripple of the Induction Motor Fed by an Inverter;
逆变器供电异步电动机低频振荡及转矩脉动的研究
11.
Preliminary Study and Application on the Tremors with Lower Frequency Recorded by Seismograph Before the Wenchuan Earthquake
汶川地震前地脉动低频波动现象及其应用的初步研究
12.
subclavian arteries [ veins ]
锁骨下动脉[静脉]
13.
Analysis of Echo Signal Characteristic of Moving Target in The State of Pulse-to-pulse Random Frequency Agility
脉间随机捷变频状态下运动目标回波特征分析
14.
Combinative Use of Radiofrequency and Transilluminated Powered Phlebectomy in Treatment of Varicose Veins of Lower Extremity
射频闭合联合动力旋切治疗下肢静脉曲张
15.
Minimum Age (underground work) Convention, 1965
（井下工作）最低年龄公约
16.
At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.
在低频率(譬如每秒十次)时, 所感觉到的是脉冲而非振动。
17.
Experimental Studies on the Frequency Properties of the Fluctuating Pressure in Stilling Basins with Lower Froude Number
低佛洛德数消力池水流脉动压力频率特性的试验研究
18.
Effect of Exercise and Low Frequency Pulsing Electromagnetic Fields on Nitrogen Oxide and Bone Remodeling in Ovariectomized Rats;
运动、低频脉冲电磁场对去卵巢大鼠一氧化氮及骨重建的影响