The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.
对密花石斛等六种兰科植物根的显微结构进行了比较观察。
The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.
对密花石斛等六种兰科植物根的显微结构进行了比较观察。
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