C/C composites with refractory metal compounds were prepared by liquid impregnation, the distribution state of refractory metal grain was observed by optical microscope and surface scan.

利用液相浸渍法制备了含有难熔金属化合物的C/C复合材料，通过金相显微镜、面扫描观察了难熔金属颗粒在材料中的分散状态；

youdao

The slide must be in a vacuum to make sure that the electron beamused to scan its surface does not come into contact with anyobstructions.

载片必需放在真空内，是为了确保扫描其表面的电子束不会受到任何妨碍。

youdao

This paper introduced basic principle, structure, property and practical circumstance of the scan photoelectric pyrometer for measuring one dimensional surface temperature distribution.

介绍了一维表面温度分布的非接触测量仪器——扫描光电高温计的基本原理、结构、性能以及实用情况。

youdao

The seven-member crew controlled a robotic arm equipped with cameras and lasers to scan the surface of the heat shield.

VOA: standard.2009.07.16

"All the optics that are applicable to laser printers, you could use to scan the surface of something, " says Bruce, who works on FAST with five people from PARC and three people from Scripps.

FORBES: Magazine Article