方法。使用分期的后路与前路入路，整个肿瘤大块切除，颈4椎体次全切，进行颈椎的融合手术。

Methods. Using staged posterior and anterior approaches, gross total tumor excision, C4 corpectomy, and spinal fusion were achieved.

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我们使用双极电切镜将病变完整切除。

Using the bipolar resectoscope, the lesion was removed completely.

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目前，CMP的抛光液通常使用纳米级颗粒来加速切除和优化抛光质量。

Currently, the slurries used in CMP usually contain particles at nano scale to accelerate the material remove ratio (MRR) and to optimize the planarity.

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