初始分析为治疗末了时可诊断的忧郁疾患的盛行率。

Primary analyses were the prevalence of diagnosable depressive disorder at the end of treatment.

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在世界上，感染幽门杆菌的盛行率超过了百分之50。

The prevalence of H. pylori infection is over 50 percent in the world.

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一般来说，有两个主要的原因导致的盛行率在电视广告。

In general, there are two main reasons leading to the prevalence of commercials on TV.

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