Guided by a computerized mapping system and an endoscope, surgeons drill small holes in a bone at the back of the nose and through the dura.
经计算机定位系统和内镜指导，外科医生在鼻子的后方的骨头上钻几个小孔并穿过硬脊膜。
Guided by a computerized mapping system and an endoscope, surgeons drill small holes in a bone at the back of the nose and through the dura.
经计算机定位系统和内镜指导，外科医生在鼻子的后方的骨头上钻几个小孔并穿过硬脊膜。
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