后旋球容易接。
球棒斜面打击高尔夫球时，常发生“后旋”，就是这种类似效应。
A similar effect occurs with golf balls, which always have "backspin" from impact with the slanted club face.
安放支架后再狭窄的治疗可应用球囊扩张、旋切术、旋磨术、切割球囊、再次安放支架和放射治疗。
The treatment of in stent restenosis includes balloon dilation, directional atherectomy, rotational atherectomy, cutting balloon, additional stent and radiation therapy.
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