这些转移性癌细胞比那些非转移性的细胞更加易于迁移，但我们对于迁移如何进行还所知甚少。
These metastatic cells tend to move more than their non-metastatic variants but this movement is poorly understood.
因为质量比地球小的行星迁移速度缓慢，所以他们更易于在气盘中存活。
Planets smaller than Earth can easily survive in the disk because they migrate slowly.
这使得更易于将数据从一个数据库迁移到另一个数据库。
This permits easy table migration from one database to another.
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