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Previous refractive surgery (e.g., RK, PRK, LASIK).
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之前有屈光手术史。 |
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Previous research has found people who play such games are more likely to be aggressive but some say this just shows violent people gravitate towards them.
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此前的调查发现爱玩暴力游戏的人侵略性较强，但是有人说这只能说明具有暴力倾向的人喜欢玩暴力游戏。 |
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Previous research has indicated that vitamin D may provide a protective effect, but evidence has been inconclusive.
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先前的研究显示维生素D具有保护性作用，但是证据并不具有决定性意义。 |
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Previous research has shown that estrogen promotes the growth of most types of breast cancer.
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以前的研究表明，雌激素促进大多数乳癌的生长。 |
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Previous research has shown that human children are much more willing than chimpanzees to co-operate with a human adult in manipulating objects—for example, taking it in turns to drop a ball down a chute.
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过去的实验表明，与黑猩猩相比人类的儿童更能与成人合作一些活动—例如，轮流把球滚下斜面。 |
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Previous research has shown the drink to be useful in the prevention of other mouth diseases such as caries and periodontal disease, which are also risk factors for oral cancer.
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之前的研究已经证明，绿茶对防治其它口腔疾病确实有用，如龋齿、牙周病等，而这些口腔疾病也是导致口腔癌的危险诱因。 |
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Previous research in primates had suggested that expectation had little effect on how taste registers in the brain.
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以前对灵长类的研究显示，期望对大脑中的味觉记录几乎没有效果。 |
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Previous research looked at the negative health effects of downsizing, but the Swedish team believe theirs is the first to look at the opposite phenomenon.
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以前的研究已经注意到公司缩小发展规模给员工的身体健康带来的负面影响，但是瑞典国家心理医学研究院的研究人员认为他们的研究第一次着眼于恰恰相反的现象。 |
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Previous research revealed various sources of bone strength, such as sacrificial bonds between fibers that break and re-form to dissipate stress, but researchers had yet to discover exactly how they all worked.
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以前的研究揭示了骨骼力的各种各样不同的来源，例如：破坏和重组在纤维中损失的粘合物去驱散压力，但是研究者必须准确地揭示他们全部是怎样工作的。 |
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Previous researches of the self-handicapping of athletes indicated that the goal-orientation, self-evaluation, and attribution are three major mechanisms influencing the athletes' self-handicapping behavior, while no comparison was provided to discuss the
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摘要过去运动员自我设限行为的研究指出，目标取向、自我评价以及归因型等三方面是影响运动员自我设限行为的可能主要机制，然而，过去研究并未直接比较何者对自我设限行为的影响较为重要，也没有将自我设限行为区分为「减低努力」与「寻求辩解」等两种不同自我设限行为来加以探讨。 |
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Previous roadshows have seen Renault\'s car running in Moscow\'s Red Square, at the Circus Maximus in Rome and on the banks of the Bosphorus in Turkey.
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在以前的公路表演赛中，雷诺的赛车曾经来到过莫斯科的红场，罗马的大角斗场和土耳其博斯普鲁斯的大堤上。 |
