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