目的：提高用药安全性和有效性。
假药的质量，安全性和有效性都是未知的。
The quality, safety, and efficacy of counterfeit medicines are not known.
本实验目的为验证其可行性、安全性和有效性。
The purpose of the research is to testify its feasibility, security and effectivity.
要想获得批准，厂商必训证明该设备的安全性和有效性。
To receive approval, a company must demonstrate the safety and probable benefit of the device.
目的：从技术审评角度，研究一次性使用导尿管产品的安全性和有效性。
Objective: This article aim to study the safety and efficacy of catheters for single use.
目的：探讨心力衰竭患者进行运动康复治疗的有效性和安全性。
Objective To test the efficacy and safety of exercise training among patients with heart failure.
实验和分析结果表明，这是一种有效性好、安全性高的方法。
Experiments and analysis prove that it is a method with high efficiency an...
实验和分析结果表明，这是一种有效性好、安全性高的方法。
Experiments and analysis prove that it is a method with high efficiency an...
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