These can be used to study the rapid processes that can take place when electrons move or change energy.

阿秒光脉冲用于测量子动或能量变化的快速过程。

Philo knew electrons could be made to move very fast.

菲罗知道子可以动得非常快。

Patrick has tried to force one of those cell phone camera things on Ove, but he doesn't trust them.

帕特里克想给他装个什么子动相册，但欧维信不过这种东西。

Maybe, instead, the electrons themselves were being moved around.

相反，也许子本身在四处动。

The spinning magnet causes electrons to move in the wires and produce an electrical current.

转的磁铁子在导动并产生流。

Then, that electron moves around the crystal lattice until it settles into a defect.

接着，该子在晶格动，直到融入晶格缺陷。

Now e mail and cell phones are rapidly replacing the old forms of communication.

现在子邮件和动话正在迅速取代旧的通讯方式。

It consisted of fast-moving electrons, situated between the two previously known Van Allen Belts.

它由快速动的子组成，位于已为人们所熟知的两个范艾伦带之间。

These moving electrons are called free electrons.

子可以自由动，称为 这些动的子：子。

How easy it is for electrons to move around depends on the material.

子容易动 取决于材料。我们描述。

Electric current, anything from static electricity to lightning bolts, is electrons moving from negative to positive.

从静到闪的任何流都是子从负向正动。

This moving sea is a big part of what makes metals… metal.

这种动的子海是金属的重要组成部分。

And emf, you’ll recall, stands for electromotive force, which is what causes electrons to move and form a current.

动势，你会记得，代表动势，这是导致子动并形成流的原因。

And emf, you'll recall, stands for electromotive force, which is what causes electrons to move and form a current.

你会记得，动势代表动势，它是导致子动并形成流的原因。

And electrons are balls moving along the road.

子是沿着道路动的球。

The user does this by moving the two sticks on a special electronic surface.

用户通过在一个特殊的子表面上动两根棍子来做到这一点。

While the electrons move toward the middle, the positive gas ions head the other way.

当子向间动时， 正气体离子向另一方向动。

Electrons may move unbelievably slow themselves, however the force that propagates is near instantaneous.

子本身可能动得非常慢，但传播的几乎是瞬时的。

In solid materials, protons stay fixed, but some electrons are free to move around.

在固体材料， 质子保持固定， 但一些子可以自由动。

The electrons that move along an alternating current, on the other hand, periodically and consistently change direction.

另一方面，在交流动的子会周期性地、持续地改变方向。