The study centered on a substance called PM2.5.

这项研究集中在一种叫做PM2.5的物质上。

That study centered on crashes involving pickup trucks.

这项研究的重点是涉及皮卡的交通事故。

The second study centered on so-called " cold traps" on the moon.

第二项研究聚焦月球上所谓的" 冷阱" 。

The study centered on more than 7,000 audio recordings of pigs in different situations.

这项研究以7000多份猪在不同情况下的录音为中心。

Moe Thuzar is with the Yusof Ishak Institute, a Southeast Asian studies center in Singapore.

Moe Thuzar就职于新加坡东南亚研究中心尤索夫·伊沙克研究所。

A study center in Switzerland will bring together scientists from Israel

瑞士某研究中心将集结来自以色列和其他国家的科学家。

The researchers noted that the study centered on people's sexual behavior, and not on sexual identity.

研究人员指出，这项研究关注的是人们的性行为，而不是性身份。

The study centers on the hormone vasopressin, thought to have a role in maintaining our internal clock.

这项研究集中于被认为在维持我们生物钟扮演关键角色的抗利尿激素上。

Balloux notes his study centered on just one resistant gene, but many pathogens are developing other forms of resistance.

巴卢指出，他的研究只集中在一种耐药基因上，但许多病原体正发展成其他形式的耐药性。

Researchers involved in the study centered their examinations on stars in our Milky Way galaxy known as red dwarfs.

参与这项研究的研究人员将他们的研究重点放在银河系中被称为红矮星的恒星上。

Their study centered around two cold and dry periods.

他们的研究集中在两个寒冷干燥的时期。

He's a neurosurgeon and co-directs a brain study center at Boston University.

他是一名神经外科医生，是波士顿大学大脑研究中心的联合负责人。

827. The study center in the library has all the latest technologies.

图书馆的学习中心拥有所有最新的技术。

The study centered on the creation of electric power and did not look at the materials used in electric car batteries.

这项研究的重点是电力创造，而不是电动汽车电池所用的材料。

The study centered on issues such as dealing with gravity and oxygen in space, collecting water, developing agriculture and getting rid of waste in space.

这项研究的重点是处理太空中的重力和氧气、收集水、发展农业和消除太空垃圾等问题。

The study centered on adult male lizards, so it is unclear if females are changing in the same way or at the same rate as males.

这项研究以成年雄性蜥蜴为中心，因此尚不清楚雌性蜥蜴是否与雄性蜥蜴以同样的方式或相同的速度发生变化。