The general staff of the North Korean People's Army issued a notice Thursday dismantling a wide range of security guarantees it has observed for years.

VOA: standard.2010.05.27

We are going to now go into the atom and try to understand the scientific basis for this observed behavior.

我们现在要讲讲原子,并试着去理解这个观察行为,的科学原理。

麻省理工公开课 - 固态化学导论课程节选

So, let's take a look at the different kinetic energies that would be observed in a spectrum for neon where we had this incident energy here.

那么，让我们来看一下,在已知入射能量的情况下,可以在氖光谱中观测到哪些不同的动能。

麻省理工公开课 - 化学原理课程节选

Or a newspaper might report that "defense lawyers were 'battening down the hatches' for testimony by someone who observed the crime."

VOA: special.2009.05.24

Joule actually did this experiment, and he observed that for the gas expansions that he could do, that the temperature did not increase measurably.

事实上焦耳的确做了这个实验，他做到了,他能达到的最好实验要求，发现在可测量范围内没有观察到温度上升。

麻省理工公开课 - 热力学与动力学课程节选

They observed that for every molecule of carbon dioxide taken in by the plants, they lost forty-four percent less water.

VOA: special.2010.01.26

Piaget observed kids would still reach for this.

皮亚杰观察到,婴儿仍然会将手伸向此处

耶鲁公开课 - 心理学导论课程节选

They observed that the effect was even greater than the effect reported earlier for walking in high heels.

VOA: special.2010.02.03

Then he observed, through time, after subjecting pigeons to this torture for some time -it might be not approved by--it's not really torture, it's like dieting or something, you've all lived through that, right?

随着时间流逝,他还观察,在这酷刑实施了一段时间后,也不能真的说是酷刑,其实有点像节食之类的,你们很多人也节食过,对吧

耶鲁公开课 - 金融市场课程节选

One reporter for the New York Times observed that the change from President Herbert Hoover to Franklin Roosevelt was like a man moving from a slow horse to an airplane.

VOA: special.2011.03.24

So it turns out that we can, in fact, use the energy levels to predict, and we could if we wanted to do them for all of the different wavelengths of light that we observed, and also all the different wavelengths of light that can be detected, even if we can't observe them.

事实上我们可以用能级预测,而且如果我们想的话，我们可以,对所有观测到的光的波长预测，也可以对所有探测到的光预测,即使我们看不到它们。

麻省理工公开课 - 化学原理课程节选

While many Sefwi people observed some Jewish laws for centuries including refraining from work on Saturdays this group declared themselves ancestors of ancient Israelites and starting calling themselves Jews.

VOA: standard.2009.09.26

We can do the same thing for the other observed kinetic energy.

我们还可以对观测到的,其它动能进行同样的操作。

麻省理工公开课 - 化学原理课程节选

Italian Marco Fosatti, who plays professionally for internationally renowned Inter Milan, says he was shocked by some of the things he observed from the window of the team bus on the trips between the hotel and the practice fields.

VOA: standard.2009.11.05