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。
Parks scan provide measurable health benefits, from providing direct contact with nature and a cleaner environment, to opportunities for physical activity and social interaction.
公园对强身健体有很多好处，可亲近的大自然，更加整洁的环境，锻炼的机会和社交的场所。
Aimed to the testing problem of brazing quality of arc surface electric contact, its ultrasonic C-scan image model was built firstly.
针对弧形触点的钎焊质量检测问题，首先建立了弧形触点的超声c扫描图像模型。
This paper discussed one type scan-aborted malfunction which is caused by carbon-brushes' contact-capability abated in the Helical CT, and summarized carbon-brushes general maintenance method.
探讨螺旋CT的滑环接触性能变差后常见的扫描中断故障，并结合实践总结出了滑环维护保养的一般方法。
This paper discussed one type scan-aborted malfunction which is caused by carbon-brushes' contact-capability abated in the Helical CT, and summarized carbon-brushes general maintenance method.
探讨螺旋CT的滑环接触性能变差后常见的扫描中断故障，并结合实践总结出了滑环维护保养的一般方法。
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