Because Canada has a truly advanced code of human-subject research ethics.

因为加拿大拥有一个真正的先进的关于人体实验的道德规范。

youdao

I'm doing some research on the subject.

我正就这一课题进行研究。

《牛津词典》

How the whole image is then assembled and perceived is still a mystery although it is the subject of current research.

尽管这是当前研究的主题，但如何组合和感知整个图像仍然是一个谜。

youdao

The clouded leopard is also a subject of research in Front Royal,Virginia, in America's Blue Ridge Mountains.

VOA: special.2010.06.22

Because of revised ethical standards for human subject research, this kind of experiment cannot be replicated exactly.

CNN: Charting the psychology of evil, decades after 'shock' experiment

Children are highly protected in most human subject research.

FORBES: With PS4 And Next Gen Opening Up More Realism, Researcher Explores Violence In Games

Dr. HYNES: We concluded that women should be reimbursed for expenses and we left the exact amount to what's called an institutional review board, which all institutions that do human subject research have to have such a committee.

NPR: Defining the Ethics of Stem Cell Research