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Hospital X-ray machines work by passing an X-ray pulse through a body onto radiographic film.

医院的X光机工作原理是X光射线脉冲穿过人体在射线胶片上感光成像。

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They also abandoned using any corrective lenses, firing the X-ray pulse through a pinhole and then collecting the diffracted rays after they pass through the sample.

他们也放弃使用任何矫正透镜，而是通过一个针孔发射X光射线，然后采集经过样品后的衍射光线。

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It takes about an hour to collect and aggregate the data ( view a demonstration of a light pulse as it travels through an ordinary Coca-Cola bottle).

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The nitrate comes through as a pulse.

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