Researchers are hopeful they can train these primordial cells to repair damaged organs in need of healthy cells.

因此研究人员希望能利用原始干细胞修复损坏的器官。

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In China, the train section signal facilities are integrated to put them in the house in order to facilitate the repair and maintenance.

我国的铁路区间信号设备采用集中放置于室内的形式，这对系统的维护和维修提供了很大的方便。

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He invested in the company and built a group to train bomb-detecting dogs and do anything from plumbing to car repair.

WSJ: A Somali Business Plan Like No Other