slotting saw是什么意思

用法例句

Phylogentic Relationships of Butterflies in the Subfamily Elymninae (Lepidoptera: Satyridae) Based on Mitochondrial ND1 and COI Gene Sequences;

基于线粒体ND1和COI基因序列探讨锯眼蝶亚科主要类群的系统发生关系