1.It is noticed that oleanane triterpenoidal saponins are characteristic constituents of this family and have taxonomic significance.
1.结果表果烷型三萜皂甙作为木通科的特征化学成分在该科的
统分类中具有一定的意义。
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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.
家们有时会忽略整个物种而选择当时正在研究的那些物种群,而生态
家常常只收集每个物种有限的几个样本,因此就降低了
研究的价值。