当分支稳定后，再将分支与主树进行合并。

When they are stable, you can merge branches back to the main tree.

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首先给出了一个包含主树和加入树的新型树形结构。

First, a new key tree topology comprised of main tree and join tree is put forward.

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未婚的伊沃克人男子要在森林里独居冥思，在主树村附近建造自己的房子。

Unmarried Ewok males spend a contemplative time living alone in the forest, building their own home near the main village trees.

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