药物是否批准上市或是撤市取决于随机对照的试验证据。

Drugs are approved or removed from the market on the basis of evidence from randomized, controlled trials.

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试验证据的回顾发现，容积扩张并没有被证明可以改善早产婴儿预后。

The review of evidence from trials found that volume expansion has not been shown to improve outcomes for preterm babies.

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本文根据种群遗传学的基本原理和试验证据提出了农药的毒力波动规律。

According to the basic principles of population genetics and experimental evidence, the Virulence Wave Law of pesticides was advanced in this paper.

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