释义 |
Storm density 基本例句 气孔密度 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。 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。 |