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DESIGN: Randomized controlled single sample trial.
设计：随机对照单一样本实验。
youdao
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We have formed a complete development process of design, test validation, sample trial.
形成了设计、试验验证、样件试制于一体的完整研发流程。
youdao
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We have formed a complete development process of design, test validation, sample trial.
形成了设计、试验验证、样件试制于一体的完整研发流程。
youdao