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。
When angular contact thrust ball bearings operate at high speeds, the centrifugal forces and gyratory moments acting on the balls may cause them to slide on the raceways.
角接触推力球轴承在高速运转时,作用在球上的离心力和旋转力矩可能会导致钢球在滚道内滑动。
When the incidence wave is strong enough, the contact interface will separate or slide on local area, which is harmful to the safety of the structure.
当扰动很强时,会引起接触界面的局部滑移和分离,对结构安全产生威胁。
Well in the class session that I'll be giving I'll be talking More about the others. I hope to stimulate the Discussion. If you want more information on the slide As my contact information and you can contact me.
在讨论课阶段,我还有相关的其他内容要讲,我希望能激发讨论,如果你们想要幻灯片上的更多内容,可以根据我的联系方式联系我。
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