七家保险公司起诉丰田汽车公司，谴责其加速器突然加速造成碰撞事故，力争获取赔偿金，收回他们付出的保险费。

LOS ANGELES (AP) -- Seven insurance companies have sued Toyota Motor Corp. in an attempt to recover money paid to cover crashes they blame on sudden acceleration.

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最初，介质壁加速器（DWA)是用于加速电子而非质子的。

At first, it was used to accelerate electrons rather than protons.

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近年来，科学家们利用大量的粒子加速器或者同步加速器来产生更大的辐射剂量，从而不断地提升X光射线的能量。

In recent years, scientists have been scaling up the power of the X-ray, using massive particle accelerators or synchrotrons to deliver much larger radiation doses.

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So these devices, when I was a youngster, were colloquially known as "atom smashers", because they have the capacity to actually break these and have them reform.

这些设备，当我还年轻的时候，它们在口语中被叫做核粒子加速器，因为它们有能力,将这些破碎并重新形成。

麻省理工公开课 - 固态化学导论课程节选

OK. This is still boring, so let's step on the accelerator.

好吧，这还是很无聊吧？,让我们打开加速器。

麻省理工公开课 - 计算机科学及编程导论课程节选

These are the three places where they have the accelerators.

这三个地方,拥有加速器。

麻省理工公开课 - 固态化学导论课程节选