1.It is noticed that oleanane triterpenoidal saponins are characteristic constituents of this family and have taxonomic significance.
1.结果表明齐墩果烷型三萜皂甙作为木通科的特征分在该科的
统分类中具有
的意义。
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11.The taxonomist sometimes overlooks whole species in favour of those groups currently under study, while the ecologist often cotlects only a limited number of specimens of each species, thus reducing their value for taxonomic investigations.
分类学家们有时会忽略整个物种而选择当时正在研究那些物种群,而生态学家常常
收集每个物种有限
几个样本,因此就降低了分类研究
价值。