They conducted two studies to find out.
她们实施了两个研究去查明结果。
Since then many studies on the health benefits of olive oil have been conducted.
自那时以来，许多研究对健康的好处，橄榄油已进行了。
Three studies were conducted to accomplish the research purpose.
通过三个研究实现实验目的。
Three studies were conducted to accomplish the research purpose.
通过三个研究实现实验目的。
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