1971 Radiographers at a London hospital conduct the first computed tomography scan.

1971年，伦敦一家医院的放射技师进行了第一次计算机断层扫描。

She says just as radiographers rely on medicine Pigment analysis a great tool for dating pictures requires fine visible judgment.

她说，就像放射技师依赖医学一样，作断代的一个很好的工具，但它需要敏锐的判断力。

Yeah, that's right, the radiographer, a doctor, another couple of nurses - and every single one of them mentioned how overworked they were, what long shifts they were working and so on.

没错，放射线技师，还有一个医生和其他几个护士，他们每一个人都在 说他们已经超负荷工作很久，轮班工作时间非常唱。