The morphology of oxide membrane on each sample surface was observed by SEM.

采用SEM对试样表面生成氧化膜的形貌进行了观察比较。

youdao

The line broad increases and is changed into width with sample surface roughness.

线宽随着样品表面粗糙度增加而变宽。

youdao

In photoelectric spectral analysis for a steel sample, the result depends on the condition of sample surface.

在对钢样进行光电光谱分析时，其表面情况对分析结果有直接影响。

youdao

Curiosity drilled a hole in Mars to collect a sample of its surface, which is the first time any rover has drilled such a hole on the Red Planet.

FORBES: Curiosity Drills A Hole On Mars

University of Miami pathologist Richard Cote is using Yang's principle of a lensless microscope to pioneer a way to move a microscope across sample cells located on a fixed surface.

FORBES: Magazine Article

Earlier this month, the Mars Curiosity rover drilled into the Martian surface, in the hopes of collecting a sample from the interior of a rock.

FORBES: Curiosity Confirms Rock Sample Found From Beneath Mars