历史学家在研究中使用大量的原始资料和二手资料。
Historians use a wide range of primary and secondary sources for their research.
这项研究自1961年以来一直在开展，已经取得了大量的积极成果。
This research has been in progress since 1961 and has yielded a great number of positive results.
雷诺和艾哈迈德通过几十年来对大量数据的研究，努力避免这些错误。
Messrs Raynor and Ahmed work hard to avoid these mistakes by studying large bodies of date over several decades.
今天，学者们对餐馆进行了大量有意义的研究。
Today, scholars have generated large amounts of instructive research about restaurants.
“我们花了大量时间研究历史，”霍金说，“让我们面对现实吧，历史主要是对于愚昧的记载。”
"We spend a great deal of time studying history," Hawking said, "which, let's face it, is mostly the history of stupidity."
他们说，她的研究甚至没有表明这种细菌能在野外生存，更不用说杀死大量植物了。
They say that her study doesn't even show that the bacteria would survive in the wild, much less kill massive numbers of plants.
这很奇怪，因为研究人员观察的各种实验室动物往往被给予大量食物，且让它们在闲暇时一点一点蚕食。
This is strange because the sorts of lab animals the researchers looked attend to be given lots of food and left to nibble at leisure.
大量研究表明，科技上瘾真实存在，其对大脑的影响与毒瘾相当。
Numerous studies claim that addiction to technology is real and it has the same effect on the brain as drug addiction.
这家研究所花大量时间绞尽脑汁思考怎样推进美国的生产力。
The Institute spends a lot of time scratching its head about how to boost American productivity.
这项研究意味着要耗费大量的时间和精力。
This study represents a major expenditure of time and effort.
把垄断生产商等同于研究上的大量支出，将是一个极其严重的错误。
It would be an egregious error to equate the monopolistic producer with bountiful expenditures on research.
如今有大量研究发现，当课堂材料变得更加难以消化时，长期来看学生们会记住更多的材料，对其理解也更加深入。
Numerous studies have now found that when classroom material is made harder to absorb, pupils retain more of it over the long term, and understand it on a deeper level.
通过大量的研究，Cress 发现美国人每天使用大约5亿根吸管。
Through lots of research, Cress found out that Americans use about 500 million straws every day.
心灵感应的辩护者指出，要求每一项研究都有令人印象深刻的证据，这忽略了一个基本的统计事实：需要大量的样本才能检测到微小的影响。
Defenders of telepathy point out that demanding impressive evidence from every study ignores one basic statistical fact: it takes large samples to detect small effects.
在英国公共档案馆研究斯考维尔的文件时，我发现他留下了大量关于他在半岛工作的日记和笔记。
Studying Scovell's papers at the Public Record Office, London, I found that he had left an extensive journal and copious notes about his work in the peninsula.
生态学家对磷循环进行了大量研究，因为如我所说，磷是一种重要而不充足的营养物质。
The Phosphorus cycle has been studied a lot by ecologists because like I said, Phosphorus is an important nutrient and it's not so abundant.
大量的研究表明音乐活动需要大脑的不同部分参与。
There is a great deal of research indicating that music activities engage different parts of the brain.
研究人员发现了少量的脂肪，以及大量的石头和道路遗迹。
Researchers found small amounts of fat, as well as a large amount of stone and the remains of paths.
首先，我们回顾了大量的教育研究，这些研究比较了单性别学校学生和男女同校学生的学业成绩。
First, we reviewed the extensive educational research that has compared academic outcomes in students attending single-sex versus coeducational schools.
一些研究人员假设，腺苷与大量位点的累积结合导致了睡眠的开始。
Some researchers have hypothesized that it is the cumulative binding of adenosine to a large number of sites that causes the onset of sleep.
研究数据表明，在美国，由妇女当家的单亲家庭中存在着大量的贫困现象。
Research data indicate that there is a great deal of poverty in the United States among single-parent families headed by women.
加拿大和欧洲因为一些不寻常的现象和未解的谜团而受到了大量媒体甚至研究的关注。
Canada, and Europe have received a great deal of media and even research attention over unusual phenomena and unsolved mysteries.
研究这种药草的农学家发现，它会产生大量的组氨酸，这种氨基酸在试管溶液中会使这些金属具有化学惰性。
Agronomists studying the herb have discovered that it produces large amounts of histidine, an amino acid that, in test-tube solutions, renders these metals chemically inert.
问题是，对于许多想要设计系统来应对这些挑战的研究人员来说，实验所需的大量数据集根本不存在。
The trouble is, for many of the researchers who'd like to design systems to address these challenges, massive datasets for experimentation just don't exist.
施韦策承认，他的研究与大量颂扬设定目标的诸多好处的文献相悖。
Schweitzer concedes his research runs counter to a very large body of literature that extols the many benefits of goal-setting.
一项对去年创办公司的企业家的调查显示，尽管几乎所有人都做了大量的准备研究和计划，但只有一半人利用这些工作制定了正式的商业计划。
A survey of entrepreneurs who started companies last year shows that while virtually all did substantial preparatory research and planning, only half used that work to produce a formal business plan.
一组研究人员公布了大量追踪健康和与他人互动之间关系的研究。
A group of researchers reveal scores of studies that trace the relationship between health and interaction with others.
在过去的几十年里，美国、加拿大和欧洲收到大量关于不寻常现象和未解之谜的媒体关注，甚至还有研究者的关注。
Over the past several decades, the U.S., Canada, and Europe have received a great deal of media and even research attention over unusual phenomena and unsolved mysteries.
几位研究人员就媒体暴力所造成的威胁进行了大量的写作、发言和证实。
Several researchers write, speak and testify quite a lot on the threat posed by violence in the media.
与顺电不同的是，已经有大量的研究人员在研究它。
Unlike paraelectrics, a significant body of researchers is already working on it.
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