Storm density

• 气孔密度

Storm density的用法和样例：

例句

1. The stomatal density and stomatal index had little taxonomical significance among the six genera.However, the two characters might be useful for species identification.
   气孔密度和气孔指数在属间的分类意义不明显，但在属内种间的分类上具有一定价值。
2. The results showed that the ploidy level had a significantly positive correlation with the stoma diameter, but a negtive correlation with the stoma density.
   结果表明，红掌倍性与气孔长度呈显著正相关，而与气孔密度呈显著负相关。