One 3-D technology uses low-cost polarized glasses.

VOA: special.2010.01.26

So, if you'd like to switch into one of these three, they have very low numbers right now.

如果你们想要更改去上这三个课程，还有些名额。

麻省理工公开课 - 固态化学导论课程节选

One would be a low fat diet; one would be a low carb diet like Atkins; another would be just a low calorie diet; and then choice D is they all stink.

有的主张低脂饮食,有的主张低碳水化合物饮食,如阿特金斯饮食法,还有的主张低卡路里饮食,选项D则是都不可取

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Low levels of vitamin D are even associated with high blood pressure.

VOA: standard.2010.05.28

s But it just turns out that the 4 s is so low in energy that it actually surpasses the 3 d, because we know the 3 d is going to be pretty high in terms of the three shell, and the 4 s is going to be the lowest interms of the 4 shell, and it turns out that we need to fill up the 4 s 4s before we fill in the 3 d.

但是结果是,能量较低,4s是第四层最低的，因为我们知道3d在第三层,是非常高的，4s是第四层,最低的，结果是我们在填充3d之前,需要先填充。

麻省理工公开课 - 化学原理课程节选

That's not a way that we really think about it, but I do believe that the risk level of the University's portfolio is really quite low in statistical terms -much lower than the risk level that you'd have if you had a traditional portfolio dominated by marketable securities.

这一般不是我们考虑的关键,但我相信,耶鲁投资组合的风险水平,在统计数字上是非常低的,远远低于,持有一个传统的可交易证券主导的,投资组合的beta系数

耶鲁公开课 - 金融市场课程节选