One X-ray laser already exists in an underground facility at the Stanford Linear Accelerator Laboratory, where it spans several football fields in length.

在斯坦福线性加速器实验室的一个地下设施里已经有了一个X射线激光器，它的频率频距将具有跨越数个足球场的长度。

youdao

Last year, the venerable two-mile-long linear accelerator, where charmed quarks were discovered, was converted into a new kind of powerful laser that will create super-brilliant X-ray pulses.

去年，久负盛名长达两英里的直线加速器(夸克在此被发现)被转化成一种新型、强大、将创建出超亮X光脉冲的激光。

youdao

Last year, the venerable two-mile-long linear accelerator, where charmed quarks were discovered, was converted into a new kind of powerful laser that will create super-brilliant X-ray pulses.

去年，久负盛名长达两英里的直线加速器(夸克在此被发现)被转化成一种新型、强大、将创建出超亮X光脉冲的激光。

youdao