当龙虾随后被放置在一个可操纵的环境中，或者当它们失去一个或两个爪子后再生时，这种不寻常的对称刀状爪子的结构并没有改变。
This unusual configuration of symmetrical cutter claws did not change when the lobsters were subsequently placed in a manipulatable environment or when they lost and regenerated one or both claws.
探讨小针刀配合中药治疗梨状肌损伤综合征的疗效。
To discuss the cure effect of small needle-knife combined with TCM on piriformis injury syndrome.
方法对21例下颌骨角部和髁状突颈部骨折患者，采用微型侧壁螺丝刀，经口内微型钛板内固定。
Methods In 21 cases, internal fixations were performed at mandibular angle and condyle fractures with a micro-angular screwdriver through intraoral minimally invasions.
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