根的初生结构和早期的次生结构都是正常的。

The primary structure and early secondary structure were normal.

youdao

简述根与茎初生结构的区别？

Describe the difference of primary structure between root and stem.

youdao

简述根与茎初生结构的区别？

Describe the difference of primary structure between root and stem.

youdao