钙化表现是多样的，可以是斑点状或不定形的，不太类似颅外的软骨肉瘤的软骨钙化。

The calcification varies in appearance but can be stippled and amorphous, not unlike the chondroid calcifications seen with extracranial chondrosarcomas.

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如今，研究人员已经证明可以在颅外无干扰的记录神经信号，然后解码成能用来移动假肢的信息。

Now, researchers have demonstrated the ability to nonintrusively record neural signals outside the skull and decode them into information that could be used to move a prosthetic.

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神经母细胞瘤是儿童颅外最常见的实体瘤，占儿童肿瘤的10%。

Neuroblastoma is the most common extracranial solid tumor, which accounts for10%of childrens tumor.

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