她高兴地向这一小群人挥手。
研究人员目前正在一群选定的牛身上验证这一想法。
Researchers are currently testing their idea on a select herd of cattle.
这一群体还包括一些中等收入国家，如中国和尼日利亚。
This group also includes some middle-income countries, such as China and Nigeria.
分析还表明，粉红色鬣蜥是这一群岛上物种多样化的最早例子之一。
The analysis also suggests that pink iguana is one of the earliest examples of species diversification on the islands.
85岁以上的病人最需要慢性病护理；在这十年中，这一群体的数量将增加50%。
Patients older than 85, who need chronic care most, will rise by 50% this decade.
这一类群，包括像剑龙和三角龙这样有名的名字，是恐龙被分成的两个分支之一。
This group, which includes such famous names as Stegosaurus and Triceratops, is one of the two clades into which the dinosaurs are divided.
这一事实，以及将（普埃布洛印第安人庆祝用的）地下礼堂小心翼翼地单独放置在传教士建筑群庭院的中心，表明了突出这个地下礼堂的重要性，而不是贬低它的意图。
This fact, and the careful, solitary placement of the kiva in the center of the mission complex courtyards, suggests an intention to highlight the importance of the kiva rather than to diminish it.
情感纽带在初级社会群体中起主导作用；我们认为，这一群体的人通常依靠他们自己实现目的，并且凭借自身的实力体现自我价值。
Expressive ties predominate in primary groups; we view the people as ends in themselves and valuable in their own right.
居住在同一地区的人们应该被视为一个群体，这一群体有义务为整个社区创造一个舒适的生活环境。
People living in the same area should be considered a group under an obligation to create a comfortable living environment for the whole community.
由于人数越来越多，这一群体的死亡人数也在增加——2000年有18434名百岁老人死亡，而2014年有25914人死亡。
Because this population is getting larger, the number of deaths in this group is also increasing—18,434 centenarians died in 2000, whereas 25,914 died in 2014.
这一概念是由罗德岛州布朗大学的一群学生创造的，因为他们的一个朋友抱怨说早上起来很累，考试发挥得很差。
The concept was invented by a group of students at Brown University in Rhode Island after a friend complained of waking up tired and performing poorly on a test.
大人和小孩都热爱这一群体。
当你不能用某一群体的语言与他们交谈时，这一点尤其正确。
This is especially true if you can't speak to the members of the group in their language.
科学家们通过跟踪和拍摄乌干达的黑猩猩群，并研究了5000多起有意义的交流事件，发现了这一点。
The scientists discovered this by following and filming groups of chimps in Uganda, and examining more than 5,000 incidents of these meaningful exchanges.
从这一群人中找出最糟的一个。
我们怎样才能从这一群网上的狂热者和追随者中筹得捐款？
How can we get donations out of this group of fans and followers online?
今年年初的一天，我参观了他的一个班级，他正面对这一群特殊的抵抗的人群。
The day I visited one of his classes, earlier this year, he was facing a particularly resistant crowd.
但他补充说：“未来要看社会如何引导这一群体。”
"The future depends on how society guides this group," he added.
这一注视繁殖行为的研究在一个隔离的唱歌麻雀群中进行,这一麻雀群生活在远离加拿大海岸的蒙大特岛的草原上.
The study looked at breeding behaviour in an isolated population of song sparrows living in grasslands on the island of Mandarte, off the coast of Canada.
这一点意味着你应该关注那些你在工作中使用最多的肌肉和肌肉群。
This means that you should target whatever muscles and muscle-groups your job asks you to use the most.
这一群体中大学毕业女子数量超过男子，这在美国历史上是第一次。
For the first time in American history there are more female than male college graduates among this age group.
同样，我们更加欢迎您参与到我们的社区里，群策群力，一起讨论你希望看到的这一基金制定的规范。
You are also invited to join the community and discuss ideas and specifications you would like to see developed within the foundation.
将近一个小时的等待并没有削弱这一群歌迷的一点热情。
Nearly one hour of waiting hasn't dented the enthusiasm of the crowd one bit.
分析还表明，粉红色鬣蜥是这一群岛上物种多样化的最早标本之一。
The analysis also suggests the pink iguana is one of the earliest examples of species diversification on the islands.
许多声明对那些“庞大资产中的坏蛋”愤怒之情的政客们，却非常高兴接受这一群坏蛋的竞选捐助。
Many of the politicians who proclaimed their outrage at the "malefactors of great wealth" are delighted to take campaign contributions from the very same malefactors.
一群斯坦福大学的工程师们已经把这种常识应用到无线通信频谱领域，而在这一领域，到目前为止，这一常识还不怎么明显。
A group of Stanford Engineers has applied this bit of obviousness to the one area where, to date, it has been less than obvious: wireless spectrum.
我们被告知，HIV的感染率在这一群体中居然是加倍的。
The HIV infection rate in this group has doubled, we are told.
人类这一族群在遵从计划上表现差可是出了名的。
As a species, humans are notoriously poor at following through with their plans.
人类这一族群在遵从计划上表现差可是出了名的。
As a species, humans are notoriously poor at following through with their plans.
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