Earlier studies have shown a positive effect of moderate drinking, especially of wine,on heart health.

VOA: special.2009.09.08

But when we're thinking about actual wave behavior of electrons, it's just important to keep in the back of our head that some areas have positive amplitude and some have negative.

电子的波动行为时,我们，要记住,某些地方是正的,某些地方是负的,当我们讲到。

麻省理工公开课 - 化学原理课程节选

so many things that are really positive when people have that opportunity.

积极的事情会发生，如果能够给人民那样的机会的话。

要学习环境法 - SpeakingMax英语口语达人

"We have received positive indications and we are hopeful that we are about to start now a process of negotiation."

VOA: standard.2010.05.03

Remember when we have waves we can have positive or a negative amplitude.

记住一个波会有,正的幅值和负的幅值。

麻省理工公开课 - 化学原理课程节选

Dr. William Abraham of Ohio State University "It has been a decade since we have seen a trial this positive."

VOA: standard.2010.06.04

The banker knows everybody in the community and when you're playing golf with the banker, it may go beyond just collecting information; the banker might have positive suggestions.

银行家认识圈里的所有人,当你在和他一起打高尔夫的时候,不仅仅能获取资讯,还可能会从银行家那获得建设性的建议

耶鲁公开课 - 金融市场课程节选

Experts believe that action could have a positive effect on the outcome of the meeting on nuclear terrorism.

VOA: standard.2010.04.06

You might have positive stereotypes.

你的刻板印象可以是积极的。

耶鲁公开课 - 心理学导论课程节选

Chellie Pingree, a Democratic Party congresswoman from Maine,said the legislation will have a number of positive consequences.

VOA: standard.2010.07.31

Now you have this situation where you have a droplet that is net negative or perhaps net positive.

现在的情况是那些液滴,可能是净负电，也可能是净正电。

麻省理工公开课 - 固态化学导论课程节选

Many doctors recognize that patients,like Daniel, with strong family support, a positive attitude and an active spiritual life have a greater chance to survive.

VOA: standard.2010.01.12

I teach a course on applied positive interventions and we have a service learning component as a part of that class.

我教积极干预应用,课程也包括一个服务教育部分。

哈佛公开课 - 幸福课课程节选

But this mother in North Carolina said she thought the speech could have a positive impact.

VOA: standard.2009.09.08

And we're going to have q2 prime, and we're going to draw the arrows in the positive direction in these cases.

还有q2一撇，在这个例子中,我们把箭头朝正方向。

麻省理工公开课 - 热力学与动力学课程节选

The report credits several countries with positive interfaith steps, including Jordan and the Philippines, and says conditions have improved in Vietnam,Cuba and some Central Asian states.

VOA: standard.2009.10.26

But if life would no longer have anything good to offer you, if what you then would have had would have been something negative instead of something positive, then at that point, dying wouldn't actually be a bad thing.

但是当生命再也不能向你提供美好，届时我们面对的是,消极的而非积极的东西，那时死亡可能不是一件坏事。

耶鲁公开课 - 死亡课程节选

Some are HIV positive. Others have lost husbands or fathers to the disease.

VOA: standard.2009.10.21

Some of this can be done if consumers make different choices in what they eat, but some can be silent changes too, so Frito-Lay taking the Trans fats out of their products and switching them with a healthier fat is a silent change that could have a positive impact on public health.

有些只要消费者选择其它的食物即可做到,但也有些变化是悄无声息的,菲多利将其产品中的反式脂肪,替换成更健康的脂肪就并未声张,这对大众健康有着积极的影响

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"This is a positive development,". "I have always been of the view that the Iranian nuclear issue is an issue that can only be resolved through dialogue, through diplomacy.

VOA: standard.2009.10.19

And once we have positive candidates we can apply them to the same pathway Shown on the right and hopefully get regeneration.

一旦有了这种稳定的替代物,你就可以实施右边显示的这项计划,进行批量的繁殖。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

He notes that broad policy changes that reduce reliance on fuels like coal and wood are being implemented and are beginning to have a positive impact on life expectancy.

VOA: standard.2010.04.07

So do you think noble gases would have a high positive electron affinity, a low positive, or negative electron affinity?

那么，你认为稀有气体的电子亲和能,应该是一个高的正值，一个低的正值，还是一个负值？

麻省理工公开课 - 化学原理课程节选

Flavin says businesses have also had a positive impact.

VOA: standard.2010.01.23

I have three out of the five energies, and they are all positive.

这有3/5的能量，他们都是正的。

麻省理工公开课 - 固态化学导论课程节选

So it is in fact the result of positive moves, which the Mexican government has taken to break the baneful influence that many of these cartels have had on many aspects of Mexican government and Mexican life,".

VOA: standard.2009.03.26

So, what we're looking at here is the force when we have two charged particles, one positive one negative -- here, the nucleus and an electron.

我们现在研究的是,一正一负俩个带电粒子之间的,作用力-在这里。

麻省理工公开课 - 化学原理课程节选

What remains to be seen is whether this will have a long-term effect,positive effect on the security forces, and maybe are there ways we can replicate some of these treatment programs to be more inclusive of the general public."

VOA: standard.2010.06.23

So, for example, if we were looking at the actual wave function, we would say that these parts here have a positive amplitude, and in here we have a negative amplitude.

我们看，一个波函数,我们说，它这部分幅值，为正,这部分幅值为负，当我们看。

麻省理工公开课 - 化学原理课程节选

If instead we had a positive ion, a cation, what we would have to do is subtract 1.

如果我们有一个带正电的离子，一个正离子，那我们就需要再减去一个。

麻省理工公开课 - 化学原理课程节选