The observations of X-ray surface brightness are also used to derive the radial distribution of gas for comparison.

该三个星系团的X射线面亮度观测结果也被用于构建其气体密度和温度分布以作比较。

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Scientists in Germany used X-ray photoelectron spectroscopy to get a detailed image of the surface of a treated tooth.

德国的科学家利用X射线光电光谱得到了牙齿在氟化物处理后的表面细节图像。

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The new "nano-patterned" surface was created using a manufacturing process similar to that used to make Blu-ray discs.

这种新型的纳米图案化表面的制作过程跟制作蓝光光盘的过程相似。

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The probe entered a special low-altitude orbit for about five months to allow the GRAND instrument to analyze emissions from Vesta's surface that result from collisions between cosmic ray particles and elements in the asteroid's dirt.

MSN: Surprisingly, giant asteroid Vesta covered in hydrogen