taxonomic

1.It is noticed that oleanane triterpenoidal saponins are characteristic constituents of this family and have taxonomic significance.

明齐墩烷型三萜皂甙作为木通科的特征学成分在该科的系统分类中具有一定的意义。

2.The ratios of the length to width of the propodus of the fourth leg in the three kinds of mitten crabs were identical or near to those of taxonomic samples.

三种绒螯蟹的第四步足前节长宽比值，与其分类标本吻合或基本吻合。