The fourth-generation ultra-sophisticated, ultra-thin window of X-ray tubes, improved analytical sensitivity;

第四代超尖端、超薄窗X射线管，提高分析灵敏度；

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Outside my hotel room window, a thin layer of clouds has stolen over the valley, diffusing the light and making it difficult to see where the sun really is.

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That little window is protected by a thin cloth that the mosquitoes can bite right through.

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Winky Dink said he wanted the children to mail away for a "Magic Window, " which was actually a cheaply produced, thin sheet of plastic that adhered to the TV screen by static electricity.

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