1、
Both root and root cap are covered by a sheath-like structure called the coleorhiza.
根和根冠被一鞘 状 结构,即胚根鞘所覆盖.
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2、
Both root and root cap are covered by a sheath-like structure called the coleorhiza.
根和根冠被一鞘 状 结构,即胚根鞘所覆盖.
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