分类阶元 meaning in Chinese
taxa
taxonomic category
Examples
- It falls outside the scope of the formal taxonomic categories .
它不属于正规植物分类学的分类阶元的范畴。 - It is only by first naming organisms and then grouping them in recognizable categories .
只有先对有机体进行命名并把它们归类成可以认识的分类阶元。 - A cladistic analysis of monocotyledons at the family level based on morphological data
单子叶植物科级分类阶元形态性状分支分析 - Primary spines of oral side club - shaped . tridentate pedicellariae occur in two forms , one with short , broad valves , the other with elongate , slender valves
本文包括了对各分类阶元的描述,种的记述有中名、学名、引证、形态、研究标本和地理分布。 - They distributed mostly in china . in this study we studied the phylogenetic relationships of the two groups : cervaphidinae and pterocommatinae using the pcr product direct sequencing method
Rdna是编码核糖体rna的基因, 18srdna被认为是研究高级分类阶元演化关系比较有效的基因,常用于科级水平的系统发育分析。