The primary meristem of the root tip may be extended a section of distance below the elongation region.

根尖的初生分生组织可扩大到伸长区下方一段距离。

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The primary meristem of the root tip may be extended a section of distance below the elongation region.

根尖的初生分生组织可扩大到伸长区下方一段距离。

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