The NLST is the first trial with sufficient numbers of participants using a randomized design to enable the comparison of mortality differences between spiral CT and chest X-ray, Aberle said.
NLST则是第一次包含大量随机指定的受试者的实验，使得在螺旋CT成像和X射线胸透之间做死亡率的比较成为了可能。
The main results showed as follows: Trial one: 30-day age, 15 birds male small-fat-tail sheep according to body equal completely randomized design, were divided into 3 groups each with 5.
详细结果如下：试验一：采用随机分组对照试验设计，选用体重基本一致的30日龄小尾寒羊公羊15只，随机分成3个处理，每个处理5只。
Methods The cases are divided into treatment group and control group according to completely randomized design of non-equilibrium, treatment group with 30 cases, control group with 28 cases.
方法按完全随机非平衡设计分为治疗组和对照组，治疗组30例，对照组28例。
In partnering with Burney's group at Stanford, SELF set out to design randomized, single-test treatment projects that could be rigorously studied and analyzed.
在和斯坦福大学的Burney团队合作中，太阳能光电基金会设计了一个随机、单变量的工程，以便于进行细致的研究与分析。
Design: Secondary analysis of data from the randomized, placebo-controlled Heart Outcomes Prevention Evaluation 2 (HOPE-2) trial.
设计——次级数据分析来自于随机安慰剂对照心脏预防评估2试验。
Study Design. A prospective, randomized, multicenter study of surgical treatment of cervical disc disease.
研究设计：对颈间盘疾病手术方法的前瞻性、随机、多中心研究。
Study Design. Prospective and randomized experimental study with anterior lumbar interbody fusion in a porcine model.
研究设计：前瞻性随机实验研究，一猪模型腰椎前路椎体间融合实验研究。
Study Design. Prospective, randomized, double-blind study.
研究设计：前瞻性、随机化、双盲研究。
Performed as the self-contrast of randomized paired design.
随机化配对设计的自身对照方法。
Design: a prospective, randomized clinical trial.
设计：前瞻性的随机临床试验。
Research Design and Methodsrospective, randomized, double-blind study on patients with documented stable coronary artery disease and normal glucose tolerance.
研究设计和方法：对在案的糖耐量正常的冠心病患者进行前瞻性，随机，双盲的研究。
DESIGN: Complete randomized groups and controlled comparison.
设计：完全随机分组设计，对比观察。
DESIGN: a cluster sampling and simple randomized sampling survey.
设计：整群抽样与单纯随机抽样。
Method: Single factor randomized block design was applied, plant samples were collected and investigated periodically, and dry weight, production and the main active ingredient content were measured.
方法：试验采用单因素随机区组设计，定株定期进行调查测定，收获后测各器官干重、产量和主要有效成分含量。
The clones of these populations were grown in randomized complete-block design.
这些群体的无性系按完全随机区组设计种植。
Study Design. A cluster randomized controlled trial and economic evaluation with a 12-month follow-up and with work department as the unit of randomization.
研究设计：这是一个随机对照试验，并且我们同劳动部门一起，对随机的单位进行了随访12个月的经济效益评估。
By using randomized-block design of two factors, the effects of Daerfeng fertilizer and spraying date on maize yeild and other economic characteristics were studied.
采用随机区组设计方法，研究了达尔丰喷施时期和喷施量对玉米产量和其它经济性状的影响。
Design, Setting, and patients Multicenter, randomized controlled trial among 2331 medically stable outpatients with heart failure with left ventricular ejection fraction of 35% or less.
试验设计、设定与病人多中心随机对照试验，2331名医学上稳定的门诊心衰患者，左心室射血分数小于等于35%。
Study Design. A randomized controlled trial with multivariable analyses of prognostic factors.
研究设计：预后因素多变量分析的随机对照试验。
DESIGN: a randomized grouping study was conducted.
设计随机分组实验研究。
It is introduced the optimized design method using randomized orthogonal array.
介绍了一种使用随机化正交表的优化设计方法。
DESIGN: Examiner blinded non randomized controlled trial.
设计：单盲非随机的对照试验。
DESIGN: Non - randomized case controlled study based on diagnosis SETTING: Rehabilitation Medicine Department of First Affiliated Hospital of Sun Yat - sen University.
设计：以诊断为依据的非随机化同期对照研究。单位：中山大学附属第一医院康复医学科。
Design Prospective, randomized, comparative clinical study.
设计前瞻性随机对照临床研究。
DESIGN: Non - randomized and concurrently controlled retrospective analysis wi th blind evaluation.
设计：非随机化同期对照的回顾性分析，盲法评估。
DESIGN: Non-randomized concomitant controlled observation.
设计：非随机化同期对照观察。
Objective to compare the ProSeal laryngeal mask airway (PLMA) and the standard laryngeal mask airway (SLMA) for intermittent positive pressure ventilation (IPPV) in a randomized auto control design.
目的采用随机自身对照设计方法比较食管引流型喉罩通气道(PLMA)和标准型喉罩通气道(SLMA)用于间歇正压通气的有效性。
DESIGN: Randomized cluster sampling, cross-sectional study.
设计：随机整群抽样，横断面调查。
Forty-two lactating Holstein cows were used in a randomized complete block design.
采用完全随机化区组设计进行试验。
Forty-two lactating Holstein cows were used in a randomized complete block design.
采用完全随机化区组设计进行试验。
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