量具量仪英文汇总（很全，持续更新中） - 英语学习... ... 轮廓法测量表面粗糙度的仪器instrument for the measurement of surface roughness by the profile method 轮廓顺序转换的接触（触针）式仪器contact(stylus) instrument of surface roughness by the profile method 轮廓顺序转换的非接触式仪器contactless instrument of consecutive profile transformation ...
I speak quite often to groups of 10-20 people in Toastmasters. When I use this technique to make eye contact as I scan the room, I pause just long enough to build rapport with each audience member.
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。
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Parks scan provide measurable health benefits, from providing direct contact with nature and a cleaner environment, to opportunities for physical activity and social interaction.