根茎长度的年龄结构表现为1龄级与2龄级大体相同，3龄级陡度减少。
The age structure of rhizome length showed that the 1st and the 2nd age classes were equal on the whole, the 3rd age suddenly reduced.
根茎长度的年龄结构表现为1龄级与2龄级大体相同，3龄级陡度减少。
The age structure of rhizome length showed that the 1st and the 2nd age classes were equal on the whole, the 3rd age suddenly reduced.
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