据说它是美国关于儿童保育所开展的规模最大、研究时期最长，而且是最完整的一项研究。
It is said to be the largest, longest lasting and most complete study of child care in the United States.
结果：在研究时期17例因在内腔镜检查或手术后发生急性食管穿孔患者置入了18个食管内支架。
Results: Seventeen patients had 18 esophageal stents placed for acute perforations of the esophagus after endoscopy or surgery (9) during the study period.
下学期我们将研究一下二战时期。
但由于标志着当代学术研究的学科界限，针对该时期的史学家还没有充分利用文学批评。
Historians of the period have not, however, fully exploited literary criticism, due to the disciplinary boundaries that mark contemporary academic research.
然而，研究这类材料的人所面临的复杂性，与英国刑法史学家最近在同一时期所克服的复杂性并没有完全不同。
Yet the complexities that confront those who would study such materials are not wholly different from those recently surmounted by historians of criminal law in England during the same period.
这份重写本后来经历了一些艰难的时期，但最终，它在一次艺术拍卖会上被买走，然后捐给了巴尔的摩的一家艺术博物馆，用于保护和研究。
The palimpsest then went through some more tough times, but eventually it ended up in an art auction where was bought and then donated to an art museum in Baltimore, for conservation and study.
考古研究发现，在壁炉中发现的木炭可以追溯到不同的时期，这表明物种的用途发生了模式上的变化。
Archaeological study of wood charcoal found in hearths dating to the various episodes of occupation indicated that the species use changed in a patterned way.
由于没有观察到明显的不连续，谢尔顿得出结论，在他研究的时期，环境条件是相当稳定的。
No significant discontinuous were observed, leading Sheldon to conclude that environmental conditions were quite stable during the period he examined.
最令人担忧的是晒伤——最近的研究表明，如果青少年时期经历过五次晒伤，患上任何一种皮肤癌的风险就都会增加。
It is sunburn that is most worrying—recent research shows five episodes of sunburn in the teenage years increases the risk of all skin cancers.
这项重要的研究表明，一个人在高中时期摄入的纤维越多，在以后生活中患乳腺癌的风险就越低。
This important study demonstrates that the more fiber you eat during your high school years, the lower your risk is in developing breast cancer in later life.
作为地质学家，我们研究地球表面的沉积层以估算过去地质时期的年代。
As geologists, we examine layers of sediment on the Earth' s surface to approximate the dates of past geologic time periods.
Keyssar考察了1870-1920年这段时期，重点研究了马萨诸塞州，那里的历史资料特别丰富，研究结果也适用于其他工业区。
Examining the period 1870-1920, Keyssar concentrates on Massachusetts, where the historical materials are particularly rich, and the findings applicable to other industrial areas.
"这本书将详细地介绍有关小冰河时期和其它气候变化的研究过程，但是，在我开始之前，让我先介绍一下历史背景。
This book will provide a detailed examination of the Little Ice Age and other climatic shifts, but, before I embark on that, let me provide a historical context.
研究主要表明，人在40多岁或50多岁时可能会有个停滞时期，或转变阶段，但是这种转变“会让人感到兴奋而非恐惧”。
The bulk of the research shows that there may be a pause, or a shifting of gears in the 40s or 50s, but this shift "can be exciting, rather than terrifying".
研究人员认为，与这一观点相一致的是，旧石器时代晚期之后的文化时期的艺术似乎也反映了人们获取食物的方式。
Consistent with this idea, according to the investigators, is the fact that the art of the cultural period that followed the Upper Paleolithic also seems to reflect how people got their food.
一个正在进行的项目——“追踪者”，在研究很长一段时期内的趋势或客户满意度。
Trackers, which are ongoing projects that look at trends or customer satisfaction over a long period of time.
现在的研究表明，在最后一次冰河时期的尾声阶段，阿拉斯加东南部沿岸的内大陆架的相当大的区域并未被冰覆盖。
Research now indicates that sizable areas of southeastern Alaska along the inner continental shelf were not covered by ice toward the end of the last Ice Age.
该研究调查了她们高中时期的日常饮食，并跟踪她们的饮食习惯长达二十年。
They were surveyed about their diets during high school and their eating habits were tracked for two decades.
文艺复兴时期，尼古拉·哥白尼，约翰尼斯·开普勒和伽利略·伽利雷等人的伟大思想展现了科学研究和发现的力量。
During the Renaissance, the great minds of Nicolaus Copernicus, Johannes Kepler and Galileo Galilei demonstrated the power of scientific study and discovery.
对于这些远古时期驯化牛骨骼的研究结果告诉了我们这些家畜宰杀时的年龄。
Study of the bones of these cattle from ancient times shows the ages at which the animals were killed.
裴恩合她的同事们在他们的研究里发现，在睡眠时期，脑部的一些活动区域与情感、记忆的巩固加强有关。
Payne and her colleagues found in their research that some of the most active brain regions during sleep periods are those involved with emotion and memory consolidation.
这触发了大学和学术界研究和开发时期的开始。
This triggered a period of research and development in the universities, or academies.
该‘骨头汤’的发现对我们研究战国时期（公元前475年-221年）的饮食文化习惯有很大的帮助。
The discovery will play an important role in studying the eating habits and culture of the Warring States Period (475-221BC).
在这项研究的第二波，证实在孩童时期频繁搬家的人们很可能死亡的几率会大些。
And people who moved a lot as kids were also more likely to die before the second wave of the study.
研究人员对婴儿期和学步的时期特别感兴趣。
The researchers were particularly interested in what happened between babyhood and toddlerhood.
据美国研究人员报告，儿童时期经常吃豆类食品的女性患乳腺癌的风险较小。
Women who ate soy regularly as children have a lower risk of breast cancer, American researchers report.
研究显示，就在这个时期家长和孩子们之间的冲突和误解会减弱到非常低的水平。
That's when, studies show, conflict and misunderstandings between parents and kids drop off tremendously.
一项研究显示，婴儿时期得到更多母爱的孩子长大后能更好地应对压力和焦虑情绪。
Babies given more love and affection by their mothers deal better with stress and anxiety when they grow up, research has shown.
没有人生下来就有微生物群，它是在婴儿生下来后第一年内形成的。这段时期是研究者的研究课题。
Except no one is born with microbiota. It develops during the first year of life. Hence the age of the research subjects.
他们研究了在这个时期留下来的过去的画笔上的铬黄颜料的化学属性。
They studied the chemical properties of chrome yellow paint left in historic tubes from this time period.
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