(Speech) In an interview on Belgian television, Mr.Martens said the political atmosphere is positive, and far different than last December, when he was again called to intervene in the country's political crisis.

VOA: standard.2009.11.25

And that makes sense, too, because the positive three pulling on minus one has a tighter binding energy than positive one pulling on minus one.

而这也是有意义的，因为+3和-1的相互吸引,产生了比+1和-1的吸引,更强的能量。

麻省理工公开课 - 固态化学导论课程节选

In other words, if the rise in instability is greater than the fall in stability, delta E this is a positive delta E.

换而言之，如果不稳定性的增加,大于稳定性的降低，将会有一个正的。

麻省理工公开课 - 固态化学导论课程节选

Afghans gave a more positive assessment of their economic situation than in previous years and both a majority of urban and rural residents say they are more prosperous today than they were under the Taliban.

VOA: standard.2009.10.27

And that group did much better on the learning task than the control group, because they were put into a positive mood.

第二组,在学习任务上比对照组表现更好，因为他们被置于积极情绪。

哈佛公开课 - 幸福课课程节选

Another thing is that most patients - And of those who were tested, only a small number were positive, even though the researchers tested 30 times more people than would normally be tested for HIV.

VOA: standard.2010.07.23

In other words, T surrounding dS has to be greater than zero, and of course temperature is always positive.

换句话说这就意味着，环境温度T乘以dS必须大于零，当然环境温度T是正的。

麻省理工公开课 - 热力学与动力学课程节选

Obviously, if the balance of pleasure over pain is positive, that's better than zero.

显然如果快乐减痛苦是正的，即比零大。

耶鲁公开课 - 死亡课程节选

The first, which I just stated, is that the deflection of that negative particle was just far and away more extreme, much, much larger than that of the positive particle. The other assumption that he made here is that the charge on the two particles was equal.

为了这么做，他又做了更多的观察,首先，像我之前已经说了，测到的负电粒子,偏转要远远,大于正电粒子,另外一个他做了一个假设。

麻省理工公开课 - 化学原理课程节选

If n is greater than zero, I decided I would say, "You picked a positive number, backslash n," so put the cursor on the next line, else if n was not less than zero, I say, "You picked a negative number, backslash n."

如果n比0大，我就决定来说：,“你选择了一个整数，反斜杠n“，所以你把光标,放在下一行，另外如果n不小于0，我说：,“你选择一个负数，反斜杠n“

哈佛公开课 - 计算机科学课程节选

So if delta v is negative, in this case delta v is negative, OK, delta v is negative, pressure is a positive number, negative times negative is positive, work is greater than zero.

也就是当活塞,压缩气体的时候，做的功是正的，按照这一规定,我们需要在这里，加上一个负号，这是习惯规定。

麻省理工公开课 - 热力学与动力学课程节选

This is a positive number, p1 is smaller than p2.

这就是系统对外界做的功。

麻省理工公开课 - 热力学与动力学课程节选

This is also the aim of positive psychology,no less than this.

同时也是积极心理学的目标。

哈佛公开课 - 幸福课课程节选

I'd like to introduce now two very dear friends and supporters of positive psychology who are doing arguably more than anyone else to disseminate the ideas of positive psychology in a rigorous and fun way.

现在我想介绍两位挚友,积极心理学的支持者,可能比任何人,更致力推广积极心理学,以严谨和有趣的方式。

哈佛公开课 - 幸福课课程节选