据悉，在宣布这项惊人发现之前，科学家反复进行该项实验长达6个月；9月份，最初研究结果的震惊了科学界。
Tested and re-tested for six months before it was announced, the initial finding shocked the science world in September.
科学家反复向20只狗展示半张人类的笑脸或怒容图片——要么是只有嘴的下半部分，要么是只有眼睛的上半部分。
The scientists repeatedly showed 20 dogs half pictures - either the lower mouth region or the upper eye area - of happy or angry human faces.
可是手机在市场上的爆炸式增长，以及使用者倾向于将他们贴身携带和通话时反复置于同一只耳朵上，使得科学家们不得不再一次审视它的使用安全。
But cell phones' explosion in the marketplace, and users' tendency to wear them close to the body and hold them repeatedly to the same ear, have led scientists to take a second look.
流行的理论必须反复经过验证，修正再验证再修正才能下定论—这是科学家的工作。
Prevailing theories must be constantly tested against evidence, and refined, and more evidence collected, and the theories tested again. That is the job of the scientists.
这个结果在原有的基础上，给气候问题增加了另一个新的曲折。自2007年融化的冰的面积创纪录，气候科学家们已经警告：每年夏季反复融化冻结后，北冰洋在冬天冰会完全冻结的。
The findings add another wrinkle to a problem climate scientists have been warning about since the record melt of 2007: after each summer meltback, the Arctic Ocean refreezes completely in winter.
经过反复研究，科学家们发现步入中年其实总体上会使人更加乐观，而不是闷闷不乐，抑郁寡欢。
Over and over they find that middle age, instead of being a time of depression and decline, is actually a time of being more optimistic overall.
很少有科学家解释这其中的缘由，但是Raglin博士和其他人则反复描述了其效果。
There is very little science to explain why, but Dr. Raglin and others have repeatedly documented the effect.
科学家研究了约100名荷兰健康孕妇和胎儿，测量胎儿如何回应反复刺激的变化。
The scientists studied about 100 healthy pregnant Dutch women and their fetuses, measuring changes in how the fetus responds to repeated stimulation.
其他社会科学家们是通过分析反复出现的行为模式，从中总结出一些基本规律。
Other social scientists seek to develop general laws by examining patterns of behavior that recur throughout time.
因此，我反复阅读了其科研论文，并采访了做出这一发现的科学家们。
Therefore, I repeatedly read their research papers, and made this discovery had an interview with the scientists.
流行的理论必须反复经过验证，才能下定论—这是科学家的工作。
Prevailing theories must be constantly tested against evidence, and more evidence collected, and the theories tested again. That is the job of the scientists.
通过反复测量他们之间的距离，科学家们可以计算出地球和月球相对彼此，围绕太阳公转的轨道。
By repeatedly measuring the distance between them, scientists can calculate the orbits of the Earth and the moon around the sun relative to each other.
Rodgers说，科学家在一家宾馆酒吧中研究调情者时发现，相同的一幕反复上演，姿势成了我们“脑化学”的一部分。
When scientists studied flirting couples at a hotel bar, they saw some of the same things again and again - gestures that are part of our "brain chemistry," Rodgers said.
目标终于实现了，我却激动得晕眩起来。我只是反复地问自己：“为什么在我之前那些伟大的科学家们没有发现这个奥秘？”
Thee realization made me so dizzy, all I could do was ask myself, "Why didn't the great scientists who came before me discover this secret?"
目标终于实现了，我却激动得晕眩起来。我只是反复地问自己：“为什么在我之前那些伟大的科学家们没有发现这个奥秘？”
Thee realization made me so dizzy, all I could do was ask myself, "Why didn't the great scientists who came before me discover this secret?"
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