Competition among trees includes aboveground and underground parts.

树木间竞争包括地上和地下部分。

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With the data of control experiment, aboveground, underground and total competition (TC) indexes were made with its biomass of subject tree and its competitors and the distance between them.

植物间竞争是空间上一种连续过程，包括对地上光资源的竞争和对地下水养资源的竞争。

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Then, inspired by NYC's High Line, Fletcher Priest won the Green Infrastructure Ideas Competition with his proposal for an underground mushroom tunnel beneath the streets of London.

ENGADGET: Inhabitat's Week in Green: Bicymple, computer-age fossils and an underground mushroom tunnel

And unlike the competition, Lot 258 in Allsop's residential sale later this month has two underground gaol cells.

BBC: Essex magistrate court to be sold in property auction