A lack of identity outside your business produces a "roller coaster" effect.

对你的事业缺乏自我认同就会产生“过山车”效应。

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Under high speed lightly loaded conditions, skidding damage often becomes one of the main damage forms for cylindrical roller bearings while surface roughness has great effect on skidding damage.

在高速和轻载工况条件下，打滑擦伤往往成为圆柱滚子轴承的主要失效形式，而表面粗糙度对轴承打滑损伤有很大的影响。

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They have the effect of a loose centre lip for the two roller sets.

他们有一个宽松的两辊套中心唇的效果。

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The writer states that more than once, at close quarters with them, he lost his balance and that the effect is both sickening and fun, in a roller-coaster kind of way.

NEWYORKER: All Stripes