He says the testing campaign may put additional stress on the health system, but that will show where the weaknesses are.

VOA: special.2010.04.28

And Pauli says no two electrons in a given system can have the entire set of quantum numbers identical.

而泡利认为在一个给定的系统内,没有两个电子有完全相同的量子数。

麻省理工公开课 - 固态化学导论课程节选

Here he is in his paper and says at that time I decided that it was advantageous to find a more general system of the elements and here is my attempt.

他在论文中说，当时,我觉得发现更多,的元素的通用系统是很有用的,这就是我的计划。

麻省理工公开课 - 固态化学导论课程节选

He says that would reduce the need for an American missile-defense system proposed for the Czech Republic and Poland.

VOA: special.2009.03.07

The total energy of the system, which we are going to get from postulate number four, which says the energy of the electron, which is the energy of the system, is the sum of the kinetic and the potential energy.

这个系统的总能量，也就是我们将从第四个假设中算出的能量，也就是电子运动产生的能量，也就是整个系统的能量，是动能和位能的总和。

麻省理工公开课 - 固态化学导论课程节选

But she says there is much evidence that nicotine in tobacco smoke affects the nervous system, and child development and behavior.

VOA: special.2009.01.13

But he says the education system is "falling short" and "countries that out-educate us today will out-compete us tomorrow."

VOA: special.2009.07.30

He says a new system is needed to meet the speed and complexity of a twenty-first century global economy.

VOA: special.2009.06.19

He says they might be trying to increase their dopamine levels to make up for the deficits in their reward system.

VOA: special.2009.09.16

He says they might be attempting to increase their dopamine levels to make up for the deficits in their reward system.

VOA: special.2009.09.29

He says the display was designed to look like a map of the local Washington Metro train system instead of a tree.

VOA: special.2009.12.01

One headstone says that Lincoln believed the system of slavery was founded on both injustice and bad policy.

VOA: special.2009.07.24

Russia objects. But the United States says the system would protect Europe from a possible attack by Iran.

VOA: special.2009.05.23

Professor Reppert says scientists thought they understood the control system in the monarchs until they took a closer look at the insects' antenna.

VOA: special.2010.04.27

Treasury Secretary Tim Geithner says the financial crisis developed in part because the existing system let some companies "shop for the weakest regulator."

VOA: special.2009.06.19

Most of it,he says, could be paid for by reducing waste in the existing health care system.

VOA: special.2009.09.12

But she says the American university system is not organized to accept this kind of change.

VOA: special.2009.03.05

Mr.Lissauer says the five inner planets are among the smallest confirmed planets beyond our solar system.

VOA: special.2011.02.09

NASA says Kepler-11 has the fullest, most compact planetary system yet discovered beyond our own.

VOA: special.2011.02.09

President Obama says Americans spend more than any other nation yet the system is broken.

VOA: special.2009.05.15

But President Obama says Wall Street took irresponsible risks that threatened the financial system.

VOA: special.2010.07.23

So the market system says these players are worth a lot of money."

VOA: special.2010.07.26

She says the chimpanzee tissue showed a severe loss of immune system cells.

VOA: special.2009.09.08

He says knowing which areas of the system are going to cause future problems will make the effort worthwhile, even if the goal of fifteen million is not reached.

VOA: special.2010.04.28

The Dutch inventor says he is simply copying that system.

VOA: special.2010.07.13

Specter has fought Hodgkin's disease, a cancer of the lymphatic system, but says his health is restored and he feels fine.

VOA: standard.2009.04.28

In his weekly address Saturday, President Obama says reforming the financial system is a necessary part of the country's economic recovery.

VOA: standard.2010.04.24

He also says plans by the G-20 to revive the global financial system are "moving in the right direction".

VOA: standard.2009.04.06

Rising costs and an aging population also put extra demand on the system,and this worries health providers, says Kersting.

VOA: standard.2009.09.28

He says the global economy must change to a sustainable system now before social issues and ecological degradation become overwhelming.

VOA: standard.2010.01.23