鞍部可自由调整高度，有效保护孩子稚娕的颈椎免受伤害；
The nek part is adjustable on height, and could avoid any damage to the infants' neck;
目的探讨立体定位经鼻内窥镜蝶鞍部肿瘤切除手术的护理配合。
Objective To explore the operative cooperation of the excision of tumor in sella turcica region through endoscopic sinus surgery technology.
通过对山顶、鞍部和山谷(山脊)不同地貌区域的试验，证实了该方法的有效性。
Finally, experiments about mountaintop, saddle and valley (or ridge) are carried out, which manifests the validity of the method.
通过对山顶、鞍部和山谷(山脊)不同地貌区域的试验，证实了该方法的有效性。
Finally, experiments about mountaintop, saddle and valley (or ridge) are carried out, which manifests the validity of the method.
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