Study Design. A randomized controlled trial.
研究设计：随机对照试验。
Study Design. A systematic review of randomized controlled trials.
研究设计：随机对照试验的系统评价。
Study Design. A simple blind, random controlled clinical trial.
研究目的：单盲，随机对照临床试验。
Study Design. This study was a prospective, randomized, controlled study.
研究设计：本研究为随机，对照，前瞻性研究。
Study Design. A prospective, randomized controlled trial.
前瞻性的随机对照研究。
DESIGN: a self controlled study was conducted.
设计：自身对照的研究。
DESIGN: a non randomized controlled study was conducted.
设计非随机对照研究。
DESIGN: a randomized controlled prospective study was conducted.
设计：随机对照的前瞻性研究。
Design: a complete randomized grouping design, controlled study.
设计：完全随机分组设计，对照实验。
DESIGN: a randomized self controlled study before and after treatment.
设计：随机、治疗前后自身对照研究。
DESIGN: a randomized controlled experimental study based on the experimental animals.
设计：以实验动物为研究对象，随机对照的实验研究。
DESIGN: a completely randomized controlled experimental study based on the experimental animals.
设计：以实验动物为研究对象，完全随机设计，对照实验研究。
Study of transient process provides a new method to analyze performance of electronic controlled system.
瞬态过程研究为深入分析电控系统和电控柴油机的性能提供了崭新的手段。
DESIGN: a complete randomized controlled study.
设计：完全随机设计，对照实验研究。
The data are from an extension study of a randomized, double-blind, placebo-controlled trial.
这些数据来自一个随机、双盲、安慰剂对照试验、根据研究。
DESIGN: A self controlled study.
设计：自身对照研究。
DESIGN: a controlled case study.
设计：同期对照病例分析。
DESIGN: a case controlled study.
设计：病例对照研究。
DESIGN: a randomly controlled study.
设计：随机对照研究。
DESIGN: a randomly controlled study.
设计：随机对照研究。
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