Women should always inform their physician and x-ray technologist if there is any possibility that they are pregnant.

妇女应告知他们的医师和X射线技师 ，是否有任何怀孕的可能性。

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Among those with ra, the researchers also used questionnaires, blood tests, and x-rays to assess the severity of their disease.

在患有风湿性关节炎的人群中，研究人员也运用问卷调查、血检和X光检查来评估他们患病的严重程度。

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The most damaging radiation are gamma rays and x-rays; energetic alpha rays (streams of helium nuclei) and beta rays (electrons) can also damage cells.

最具破坏力的辐射是伽马射线和X射线；能量强大的阿尔法射线（氦核能量流）和贝塔射线（电子流）也可以破坏细胞组织。

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But he says he felt the greatest satisfaction when a thirteen-year-old painted the word "gun" and then put a big "X" through it.

VOA: special.2009.06.01

And x-ray diffraction allows us to characterize solid matter.

让我们可以用来,表征固态物质。

麻省理工公开课 - 固态化学导论课程节选

This now has, gee, a funny thing, x it says IF x is less than y AND x is less than z, then do something.

代码现在有，啊，一个有趣的东西，代码先是判断x是不是小于y并且,是不是小于z，然后做一些事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

Philips filled it with big-ticket medical equipment like magnetic resonance imagers, CT scanners and X-ray devices.

FORBES: Magazine Article

"That would have been too easy, with three meals a day, TV and X-Box, " she said.

BBC: A victim of crime

The hospital has a minor injuries unit as well as physiotherapy and x-ray facilities.

BBC: Bacteria discovery closes Launceston hospital