A component is a geometrical combination of primitive elements.
一个部件是一至若干个基本元素的几何组合。
The floral analysis shows that in the medicinal pteridophytes there are many primitive elements and diverse geographical elements.
区系分析显示该地药用蕨类植物，区系地理成分多样，以热带亚热带成分占优势。
The floral analysis shows that in the medicinal pteridophytes there are many primitive elements and diverse geographical elements.
区系分析显示该地药用蕨类植物，区系地理成分多样，以热带亚热带成分占优势。
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