It is hence concluded that it may be possible to fractionate total respiratory resistance into central and peripheral components by using the frequency dependence of forced oscillatory effective resistance.
说明利用强迫振荡有效阻力的频率依赖性可以分离中心和外周呼吸阻力。
Finite Element Analysis of Time Effect to Negative Skin Friction of Piles
基桩负摩阻力时间效应的有限元分析
There are two kinds of drags, parasite drag and induced drag.
阻力有两种：寄生阻力和诱导阻力。
Which have the following advantages: high coercive force, high electric resistance, long-time stability, and economical price.
它们具有：高矫顽力、阻抗、效稳定性和经济的价格。
Do you think it a good means to curb violence on the football field?
你认为这是阻止球场暴力的有效途径吗？
Numerical calculation and model tests for drag and power prediction of a manned submersible
载人潜器阻力和有效功率的数值计算与试验
Permanent Magnet Limited Angle Brushless Torque Motor Based on Reluctance Effect
具有磁阻效应的永磁式有限转角无刷力矩电动机
for it has undergone resistance and pressure.
因为有了阻力才有磨炼。
Active-impedance of an array element
阵列单元的有效阻抗
Dry friction damping can efficiently limit structural vibration.
采用干摩擦阻尼可以有效的限制构件的振动应力水平。
Product character： Good flow, film smooth, excellent adhesion, reduce the coefficient of rub and cut down the obstruction of transportation.
作用同时可有效降低管道内壁摩擦系数，减少输送阻力。
In drilling high angle deviated holes, friction is the main factor affecting the effective WOB.
在大斜度定向井钻井过程中，摩擦阻力是影响有效钻压的主要因素。
Strengthing Effect Analysis of Side Friction of Dry Jet Mixing Pile Composite Foundation by Finite Element Method;
粉喷桩复合地基桩侧摩阻力强化效应有限元分析
Effects of Aerobics,Anti-Resistance Training and Diet Interference on Weight-losing Result of Obese Women;
有氧运动、抗阻力训练与饮食干预对年轻肥胖女性减肥效果的影响
Sometimes resistances are installed in parallel.
但有时阻力为并联布置。
Surface electroosmosis method can reduce coal tangential resistance,but the pole distribution affects the result of reducing resistance.
表面电渗法可有效地减少煤的切向阻力 ,但电极分布对电渗效果有很大影响。
And hamper efficient production
（工业方面的）限制性条条框框（妨碍有效利用劳动力、技术资源等阻碍提高生产效率的做法）
(in industry)practices (that hinder the most effective use of labour, technical resources,etc and hamper efficient production)
（工业方面的）限制性条条框框（妨碍有效利用劳动力、技术资源等阻碍提高生产效率的做法）.