There was a new system of liquid nitrogen to keep the pilot cool and to resist the crushing force of gravity at high speeds.

VOA: special.2010.07.07

How do the components of A in the new rotated coordinate system relate to the components of the old coordinate system?

在旋转后的新坐标系中 A 的分量,和原始坐标系中 A 的分量有什么关联呢

耶鲁公开课 - 基础物理课程节选

This should make sense to you, because they don't, in fact, want to gain another electron, because that would mean that electron would have to go into a new value of n, a new shell, and that's really going to increase the energy of the system.

这对大家来说应该容易理解，因为它们实际上不想得到另一个电子，因为这意味着这个电子不得不,到一个新的，n，值更大的壳层上去，这将会增加系统的能量。

麻省理工公开课 - 化学原理课程节选

"Sometimes people need to take time to adjust to a new place, a new culture,a new system,"

VOA: standard.2010.07.22

He proposed a new civil service system that would let ability -- not politics -- decide who got government jobs.

VOA: special.2010.04.29

New legislation in Congress proposes to require all states to have what is called a graduated driver licensing system.

VOA: special.2010.07.01

Google has invested in a new company that wants to put up a system of satellites over Africa.

VOA: special.2009.02.16

She said the new law will reward quality over quantity of care, creating a system that prevents diseases before more costly treatment is required.

VOA: special.2010.04.21

Apple says new multimedia players should be based on a new, more open system.

VOA: special.2010.06.22

Secretary Gates said the new plan will allow flexibility and put in place a defense system more quickly than the previous proposal.

VOA: standard.2009.09.17

The plan,which includes a proposal to create a new regulating authority to monitor risk in the financial system, has been long in preparation and the subject of discussions between lawmakers and the administration.

VOA: standard.2009.03.26

Biden explained the advantages of the new system: "Our new phased adaptive approach to missile defense is designed to meet a growing threat, not only to the United States, but first and foremost to Europe,"

VOA: standard.2009.10.21

Republicans oppose a proposed surtax on high wage earnings to pay for the new system, and assert that plan amounts to a government takeover of health care that would be far more expensive than Democrats and the president project.

VOA: standard.2009.07.21

to say 'get real.' What is dangerous is to commit "This is extraordinary, to spend a whole lot of money that we might not have on a system that most certainly won't help when the world is changing, when we're facing new threats, where now more and more military experts are saying there are different alternatives."

VOA: standard.2010.04.30