The answer is the "gold standard" double blind, placebo controlled study.
答案是“金标准”，双盲，安慰剂对照研究。
The review included only double-blind randomised controlled trials, which are the best type of study for finding out the effects of a treatment.
这份研究只包含了双盲随机控制实验，这是找寻治疗效果最好的研究方式。
The approval was based on data from 2 prospective, randomized, double-blind placebo-controlled clinical studies.
这次批准的依据是2次前瞻性随机双盲安慰剂控制对照临床研究的数据。
So, in fact, this double blind placebo controlled study does not guarantee safety or efficacy because the test leaves far too many questions unanswered.
所以实际上，双盲对照研究并不会保证疗效和安全，因为它留下太多无法回答的问题。
A spokesman added: 'The claim was supported by well-designed, double-blind, placebo-controlled human studies.
一位发言人补充道：“这个断言得到严格设计、双盲和安慰剂对照人体研究的支持。”
Double blind controlled trials have shown thatCoQ10 improves symptoms, functional capacity and quality of life in patients with heart failure with no side effects.
双盲控制试验表明辅酶Q10改善心衰患者症状，功能及生活质量且没有副作用。
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 study was a double blind placebo controlled study adequately powered for OS as primary end-point.
这项研究是一项双盲，安慰剂对照的研究，以OS作为主要终止点。
The whole operation process are controlled by the computer, about 1000 DuoGe shower nozzle of water all sorts of color, Arabic Numbers across the world is so far away, how close to double.
整个操作过程均由电脑控制，约有1000多个喷头水柱组成各种颜色的阿拉伯数字，使世界各地既是那么的遥远，双是多么的亲近。
Utilizing the information observed, a new type of slip frequency controlled torque-speed double closed loop system is developed.
基于观测出的状态信息，构成了转差频率控制的转矩速度双闭环新型变频调速系统。
The second part involves voltage controlled slow light effects in asymmetry double quantum dots (QDs).
第二部分是在非对称的双量子点中电压调控的慢光效应。
Most devastatingly, however, there are no randomized, double-blinded placebo controlled clinical trials that compare the success of quitting smoking by using smokeless tobacco versus using a placebo.
然而，极具讽刺的是，通过使用无烟烟草戒烟与使用安慰对照组相比，临床对照控制组没有进行随机的双盲试验。
In 1979 and 1985, however, other researchers reported no benefit for cancer patients taking high oral doses of vitamin C in two double-blind, placebo-controlled clinical trials.
但是，在1979年和1985年，两项双盲安慰剂对照临床实验的研究者报道说肿瘤患者口服高剂量的维生素C没有收到治疗作用。
The double-blind, randomized, placebo-controlled study included 24 patients ages 48 to 84.
该双盲随机严格对照试验纳入了24名48到84岁的患者。
Efficacy and Safety of Prophylactic Large Dose of Tranexamic Acid in Spine Surgery: a Prospective, Randomized, Double-Blind, Placebo-Controlled Study.
预防性大剂量氨甲环酸在脊柱外科中的疗效和安全性：一个前瞻性，随机，双盲，安慰剂对照的研究。
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。
Methods a multicenter, double-blind, randomized controlled trial was conducted.
方法用多中心随机双盲对照试验。
DESIGN: a completely randomized, double blind controlled trial was conducted.
设计：完全随机双盲实验对照研究。
Methods:this was a randomized, double blind controlled trial.
方法：采用随机双盲对照研究。
Objective: To compare the clinical applications of domestic enflurane and imported enflurane by randomly double blind controlled method.
目的：采用大样本随机双盲对照方法对国产和进口安氟醚临床应用进行比较。
Methods: a multicenter, randomized, double blind, and placebo controlled clinical study was performed.
方法本次为一中心，随机，双盲，安慰剂对照临床观察。
Methods: a randomized double-blind controlled clinical trial (RCT) was conducted.
方法：随机双肓对照临床试验(rct)。
Taking the double serial controlled circuit as an example, this paper introduces the working principle of high power rectifier devices.
以双桥串联可控整流电路为例，介绍了大功率可控整流装置的工作原理。
A technique of electrically controlled double driver shock tube for studying head-on interaction between a moving plane shock and a bow shock has been developed.
本文介绍了用于研究平面运动激波与头激波迎面相互作用的电控双驱动激波管技术。
Methods: A randomized and double-blind controlled clinical trial was conducted for smoking cessation.
方法：采用随机、双盲、安慰剂平行对照研究。
Introducing the advantages and disadvantages of double-engine dragged trolley system, the paper describes a programmable controlled system for synchronic control of double-engine.
介绍电机车双机牵引的优点和存在问题。采用可编程微机控制作为双机牵引的控制系统。
The imbalance in architectural inner system can be solved to set the double-pipe system with temperature-controlled valves.
建筑物内部系统竖向失调则可通过设置带散热器温控阀的双管系统来解决。
The imbalance in architectural inner system can be solved to set the double-pipe system with temperature-controlled valves.
建筑物内部系统竖向失调则可通过设置带散热器温控阀的双管系统来解决。
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