taxonomic

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

结果表明齐墩果烷型三萜皂甙作为木通科的特征化学成在该科的系统中具有一定的意义。

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，与其标本吻合或基本吻合。