[Methods]Convenience sampling was used in the analysis among the STD/AIDS outpatients,and then the questionnaire investigation was done under the agreement of the selected patients.
[方法]对性病门诊病人进行方便抽样,征得病人同意并签知情同意书后进行问卷调查,并进行统计学分析。
The technology of pumping and dredging of blockage in the pneumatic fly ash conveying system;
粉煤灰气力输送系统的抽吸疏通技术
Systematic Review of Clinical Evidence:the Efficacy of Stereotactic Aspiration in the Treatment of Cerebral Hemorrhage;
锥颅穿刺血肿抽吸术治疗脑出血临床研究证据的系统评价
Therapeutic Effects of Different Approaches for Transvaginal Ultrasound-Guided Follicular Aspiration in Infertile Patients with Clomiphene Citrate-Resistant Polycystic Ovary Syndrome
不同卵泡抽吸治疗模式对氯米芬抵抗多囊卵巢综合征的疗效
Objective To investigate the value of BD trochar for ultrasound-guided pleural aspiration treatment of pleural effusion.
目的探讨超声引导BD套管针在胸腔积液抽吸治疗中的应用价值。
Effect of suctions on maximum backpressure ratios of hypersonic inlets;
抽吸对高超声速进气道抗反压能力的影响
On the homotopy analysis method for solving the boundary layer flow problem over a stretching surface with suction and injection;
用同伦分析方法求解具有抽吸喷注的运动延伸表面上流动问题
Large Eddy Simulation of Turbulent Channel Flow with Suction on the Wall;
带壁面抽吸的槽道湍流大涡模拟
supplemental pumping
补充抽吸吸水源抽吸
To remove(liquids or gases) by means of a suction device.
用抽吸装置抽吸（液体或气体）
suction fluid from the lungs.
将肺部的液体抽吸出去
bucket wheel suction dredger
斗轮铲式抽吸挖泥机
5.14 Prevent the swabbing effect.
防止产生抽吸作用。
Study and Application of Negative Pressure Breast Pump with Side Hole
侧孔抽吸式负压吸乳器的应用性研究
A bulb syringe is often used for oral and nasal suction on infants and children.
常常使用球吸引器抽吸婴幼儿的口鼻。
A device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity.
抽吸装置用抽吸装置排出液体或气体，尤指用抽吸法排出东西的工具，如从体内排出粘液或浆液
a suction pump used to create a partial vacuum.
用于使局部真空的抽吸泵。
exhaust pulse air injection
(抽吸式) 排气脉冲空气喷射
embankment supported rubberized fabric suction tank
筑坝支承的橡胶布抽吸水箱
Treament of purulence aspiration in nasolacrimal duct in neoratal dacryocystitis
鼻泪管膿液抽吸术治疗新生兒泪囊炎
lift [suction] pump
吸取泵，吸取抽机，提水泵
unisokinetic sampling
粉末的非匀速吸引抽样
draw(a liquid)from one place to another using a siphon
用虹吸管将（液体）抽出
To puff or smoke(a marijuana cigarette, for example) or to engage in such activity.
吸，抽烟等抽或吸（比如大麻烟）或参与这种活动
Effect of Extraction and Compression on Hygroscopicity of Chinese Fir Heartwood
抽提和压缩处理对杉木心材吸水吸湿性的影响
a treatment in which evacuated cups are applied to the skin to draw blood through the surface.
用抽空的罐子吸住皮肤，使皮肤流血。
