The Tevatron works with protons and antiprotons.

而兆电伏加速器使用是质和反质。

And so, electron accelerators are actually standard equipment in most hospitals.

因此，电加速器实际上是大多数医准设备。

So I'm at DESY, which is the National Accelerator Lab, and obviously the majority of people here are working on radiofrequency accelerators.

所以正在德国电加速器研究所（DESY），这里是国家加速器实验室，显然这里大多数人都在研究射频加速器。

And they play on fears that America is in danger of losing its pre-eminence in high-budget " big science" , following the closure earlier this year of the Illinois-based Tevatron, the second-most-powerful particle accelerator in the world.

随着今年早些时候，世界上第二给力粒加速器，伊利诺斯州一万亿电伏加速器关闭，他们担忧美国正面临着失去它在以高预算为支撑尖端科技领域领先地位威胁。