METHODS: The parallel double blind randomized control clinical trial was used.
方法：采用平行双盲随机对照研究。
Disposes the parallel double screw extruder, is suitable specially for the profile squeezes out high speed.
配置平行双螺杆挤出机，特别适用于型材高速挤出。
Because of it adopts a parallel double channel configuration, the system has high accuracy and interference-free.
由于采用并行双通道的结构，系统具有高准确度、抗干扰等特点。
This system has the characteristics of high accuracy, interference-free compensation due to parallel double-channel configuration.
由于采用平行双通道的结构，系统具有高精度、抗干扰的补偿法特点。
Extruder: Parallel double screw extruder is characterized by high output and good plasticization. The vacuum exhaust improves products quality. It can process various sorts of plastic.
挤出机：平行双螺杆挤出机的特点以产量高，塑化优良。真空排气提高了产品的质量。它可以处理各种塑料。
METHODS: We conducted a multicenter, randomized, double - blind, parallel - treatment, placebo - controlled study in Japan.
方法：在日本进行一项多中心随机双盲对比治疗的安慰剂对照研究。
The CBC-MAC mode is not a parallel one. A parallel authentication mode (PKCB) based on double blocks was put forward in this paper.
由于CBC - MAC模式不可并行处理，提出了一种基于双重分组的并行认证模式(PKCB)。
Double loop networks are applicable in the design of interconnection networks for parallel processing and of local area communication networks.
双环网络在并行处理的互连网络与局域通信网络的设计中有着重要的应用。
It is shown that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction.
分析表明，水平平行顶管施工时由于中间区域受到双重扰动，会产生较大的地面沉降。
It shows that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction.
研究结果表明，水平平行顶管施工时中间区域受到双重扰动，产生的地面沉降较大。
This paper proposes double action parallel indexing CAM mechanism, and studies cams profile by methods used in gear meshing.
提出了双作用式平行分度凸轮机构，并按研究齿轮啮合的方法研究其凸轮廓线。
A method of parallel optical processing of double exposure specklegram or particle image using hololens array is presented.
介绍了用全息透镜阵列对双曝光散斑图或双曝光粒子像进行并行光学处理的方法。
This paper has been studied the parallel method of capillary double columns and it's linked fitting with vaporizer and detector.
本文研究了毛细管双柱的并联方法和它与检测器及汽化室的连接。
The communication system has rapid data flows attributed to parallel data transmission by using double CPU.
由于该通讯单元采用双CPU结构，使所有的数据交换并行进行，因此系统通信速度快。
Methods A randomized double-blind parallel controlled clinical trial was conducted.
方法本研究采用随机、双盲、平行对照的临床研究方法。
The "EPG" (two jaw) and "ETG" (three jaw) parallel gripper lines utilize a double acting piston and rocker arm design.
在“电子节目指南”（两个下巴）和“ETG的”（三下巴）爪平行线利用了双动活塞和摇臂的设计。
Methods parallel group, stratified randomization, double blinded, muti-center clinical trail was designed.
方法采取平行组设计、分层随机、双盲、多中心临床试验方法。
Methods: Randomized, double-blind and drug parallel comparison trial were adopted.
方法：采用随机、双盲、平行对照试验。
The characters and reality of double parallel system UPS, external bypass design and operation, and the Suggestions about the ordinary maintenance are introduced also.
介绍了并联系统ups的特性及其实现，现场外接旁路的设计与具体操作，以及日常维护中的问题。
METHODS: It was a randomized, double blind, double model, parallel controlled clinical trial.
方法：采用随机、双盲双模拟、平行对照方法。
Methods: a clinical trial by randomized, double-blind, parallel control was conducted. The control drug was imported cefmetazole.
方法：采用双盲、随机、平行对照试验设计，以进口头孢美唑钠为对照药物。
METHODS: We conducted a multicenter, randomized, double-blind, parallel-treatment, placebo-controlled study in Japan.
方法：在日本进行一项多中心随机双盲对比治疗的安慰剂对照研究。
To solve the problem that the pulsed xenon lamp has the inconsistent intensity, the instrument USES a double-circuit with synchronous parallel triggered structure.
同时为解决脉冲氙灯光源强度不一致的问题，采用了双光电路同步并行触发工作的结构。
According to the existing problem in production of stripping, the double-tower and parallel connection process and its characteristics, and optimization of operation control were discussed.
针对传统汽提生产流程存在的问题，论述了双塔并联工艺及其特点和操作控制的优化过程。
Methods The test was randomized, double-blind, parallel study.
方法本试验为随机双盲对照研究。
The result shows that superfluous force is less in double valve parallel control system than that in single valve control system, and the precision of dynamic loading is increased.
仿真和实验结果表明：加载系统采用双阀并联控制比单阀控制的多余力明显减小，动态加载精度明显提高。
Methods It is a randomized double-blind parallel controlled multiple-centered clinical study design. The inpatients 161 cases who accorded program and needed parental nutrition enter this study.
方法本研究为随机双盲、平行对照、多中心实验设计，符合研究方案、需要肠外营养的住院病人161例进入本研究。
Methods It is a randomized double-blind parallel controlled multiple-centered clinical study design. The inpatients 161 cases who accorded program and needed parental nutrition enter this study.
方法本研究为随机双盲、平行对照、多中心实验设计，符合研究方案、需要肠外营养的住院病人161例进入本研究。
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