英语语法分析

The discussion was centred on dedifferentiation and redifferentiation.

重点讨论了去分化与再分化问题。

Incomplete resection results in local recurrence even in the absence of dedifferentiation.

即使在没有”失分化”的情况下，切除不完整将导致局部性再发。

The rest of phloem also produced callus through dedifferentiation. In addition, there was callus from xylem.

残存的韧皮部也可以脱分化形成愈伤组织， 此外， 还存在愈伤组织源于木质部的情况。