这项研究的对象是健康的、受过教育的成年人，他们在开始阶段和后续七年里的某个时候接受了记忆、推理和感知的标准测试。

The study included healthy, educated adults who took standard tests of memory, reasoning and perception at the outset and at some point over the next seven years.

youdao

研究的对象是尼罗河驴羚，一个濒危的羚羊品种。

The study in question was of Nile lechwe, an endangered antelope.

youdao

普劳德研究的对象是那些女生所占比例超低或者超高的学校。

Proud looked at these and schools that were exceptional in their high or low proportion of girls.

youdao

I mean, obviously it's different because it's about something different, but I mean in terms of the Game Theory it's different.

很显然二者的研究对象不同,但是我是说二者涉及的博弈理论也不同

耶鲁公开课 - 博弈论课程节选

No, because they were only interested in the question of when are anorexics born, so it made sense to only study those.

不，因为他们只对厌食症患者是,什么时候出生的这个问题感兴趣，所以只研究这些对象是有道理的。

麻省理工公开课 - 计算机科学及编程导论课程节选

The system, it's that part of the universe that we're studying.

系统是宇宙的一部分,它是我们研究的对象。

麻省理工公开课 - 热力学与动力学课程节选