同一含水率水平下，弦切板的表层应力比径切板的表层应力大。
At the same moisture content level, the stress of surface layer of tangential timber was larger than that of radial timber.
根据检测得到的正常人和动脉硬化性脑血管病患者的颈动脉血流速度、血管管径等数据，计算两者的颈动脉壁面切应力。
According the blood speed and diameter of carotid artery measured in cerebrovascular disease patients and the control, the carotid wall shear stress of both groups are calculated.
最后提出，为了获得均匀宽度的圆周切缝，对于薄壁小管径无缝钢管激光切缝，应采取变工艺参数的措施。
At last, the authors regard that variable parameters are necessary for people to adopt in order to obtain a uniform kerf width for thin seamless steel pipe with a small diameter.
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