This new study combined a large number of previous studies and concluded that a lack of social interactions ranks right up with smoking,obesity, and alcoholism as a risk factor for death.

VOA: standard.2010.07.29

You measure health and you measure a factor like diet, you measure other factors that might be related as well.

你衡量其健康及饮食,还有很多其他可能有关的因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Essentially for our purposes here, you can just think of it as a conversion factor.

就是去掉库伦标签，这就是我们。

麻省理工公开课 - 化学原理课程节选

"But they have to be a little bit careful to overstate that." Both political parties also see the continuing congressional debate on health care reform as a key factor in next year's midterm elections.

VOA: standard.2009.10.23

And one factor in Parkinson's is too little of a neurotransmitter known as dopamine.

引起帕金森症的一个病因,便是严重缺乏一种叫做多巴胺的神经递质

耶鲁公开课 - 心理学导论课程节选

In addition to that, we have that epsilon nought value, remember that's the permittivity constant in a vacuum, and basically that is what we use as a conversion factor to get from units. We don't want namely coulombs to units, we want that will allow us to cancel out in this equation.

这是电子的电荷，此外，我们有epsilon零，记住这是真空的介电常数，这是我们用来转换单位的转换常数,我们不想用库伦单位，我们希望这个可以在方程中约去它。

麻省理工公开课 - 化学原理课程节选