classification of sections

• 表皮特征

classification of sections的用法和样例：

例句

1. There are obvious differences among 12 species of Iris in the micro-morphology characters of leaf epidermis, which will provide bases for Iris classification.
   不同种鸢尾之间叶片表皮特征具有显著差异，可为鸢尾属植物的分类提供依据。