这些带有倒刺的铁丝围栏是对恐怖过去的一种提醒。
The barbed wire fences serve as a reminder of the horrors of the past.
箭镞呈三棱流线型，有倒刺，利于穿透。
The triangular arrowhead takes a streamline shape, with barbs for piercing.
黑脊倒刺鲃的精巢分化和发育都明显快于卵巢的分化和发育。
The differentiation and development of Spinibarbus caldwelli testes were earlier than that of ovaries.
云南倒刺鲃的年龄可以通过鳞片、耳石、背鳍条上的年轮特征来鉴定。
The ages of S. yunnanensis can be identified through the characteristics of the annual rings of the scales, otoliths and dorsal fin spines.
结果证明，金属倒刺螺母螺杆连接件接口的接合性能优于直角榫接合和木螺钉接合的性能。
The results prove these properties of converse-spine nut to be better than those of dowel joint and tenon joint.
更为主要的是，外侧倒刺的结构设计使鱼饵不易从钩体上脱落，钓鱼的效果得到大幅度的提升。
More importantly, the structure design of the outer side hangnail results in that the bait is not easy to fall off the hook body, the fishing effect is greatly improved.
加拿大一名女子成功越过一机场的倒刺铁丝围栏后，闯入停机坪试图阻止飞机起飞。目前该机场的工作人员正在重新检查机场的安保系统。
Canadian airport is reviewing its security systems after a woman managed to scale a barbed wire fence and run onto the tarmac in an attempt to stop a plane from taking off.
加拿大一名女子成功越过一机场的倒刺铁丝围栏后，闯入停机坪试图阻止飞机起飞。目前该机场的工作人员正在重新检查机场的安保系统。
Canadian airport is reviewing its security systems after a woman managed to scale a barbed wire fence and run onto the tarmac in an attempt to stop a plane from taking off.
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