If the type is printed in big sizes there can be a much smaller difference between the x-height of the light and the black weight (bottom line drawing).

当字体大字号印刷时，两者的x高度之间的差异就微乎其微了(参见图中下一行)。

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He calculated backward to figure out how big an X-ray dose would be needed to get the kind of images the machines produce.

于是他反向推算了一下扫描仪生成符合机场安检要求的图像所需的X射线剂量。

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Image above: Thanks to the big glass wall (5m x 2m), we have natural light during the day, and we can enjoy the views.

上图：因为有巨大的（5米乘2米），我们白天都有充足的自然光，而且可以享受外面的风景。

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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.

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The big B-52 carried the small X-15 under its wing.

VOA: special.2010.07.07

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In the video, Patton is seen telling Kennedy that one of his carry-on bags is too big to fit through the X-ray machine.

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