Cells of middle elongation zone and root hair zone were also labelled by many gold particles.
伸长区中部及根毛区细胞也有较多的金颗粒标记。
Improvement of elongation of joint is related to weaker cool deformation degree of heat affect zone (HAZ) and uniformity of strength and stress level between weld and base metal.
接头延伸率的改善同热影响区冷变形程度的减弱及焊缝强度、应力水平同母材趋于一致有很大关系。
Objective to explore the relations between age and flight fatigue level during and after across time zone flight, so as to provide experimental evidence for elongation of airline aircrew.
目的探讨跨时区长时间飞行中飞行疲劳与年龄因素的关系，为年大飞行人员延长飞行年限提供试验依据。
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