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About 17% of all families, 50% of all genera and 75% of species went extinct.

约23％的生物和48%的属（20％的海洋生物和5%海洋生物属灭绝。

In conclusion, a comprehensive analysis of water lilies based on morphological and molecular data was performed, showing the phylogenetic relationships among the 10 genera and providing new evidence for classification at family level. The specific and infraspecific relationships within the genus Nymphaea were revealed using the ITS sequences, providing a new approach to germplasm identification and phylogenetic analysis of water lilies. The investigation of invasive fanwort in China may also provide a sound basis of its ecological studies.

总之，本文以国内外长期研究为基础进行了综合定量的形态学与分子序列分析，明确了10个属的系统位置，为科的划分提供了新的依据；通过运用ITS序列研究睡莲属的种及种下单位之间的亲缘关系，为睡莲类植物的种质资源鉴定提供了新的工具；对水盾草进行了初步的调查分析，为今后深入开展其生态学研究打下了良好的基础。

Fenestrate or perforated leaves are a special peculiarity of some genera of this family.

本科有些属特别具有多孔洞的叶

The genera of Ferula and Heracleum both are very important pharmaceutical plant of Umbelliferae.

阿魏属和独活属都是伞形科中具有重要药用价值的植物。

Latex from trees (especially trees of the genera Hevea and Ficus).

树的乳液。

Plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera ''.

一植物科花小单性果实肉质；在一些分类中包括麻黄属植物和千岁兰属以及买麻藤属。

Form genus of imperfect fungi some species of which are now placed in genera Pellicularia and Corticium because their perfect stages have been found.

不完全真菌的形态的属一些被分类在薄膜革菌属和丝核菌属。

A 1.2 kb fragment of the gyrB gene of 17 Gordonia strains including type strains were determined by direct sequencing of PCR amplified fragments. Total 25 strains (8 were retrieved from public database) of genus Gordonia form a distinct phyletic line in the gyrB-based tree and are separated from other closely-related species of genera to suborder Corynebacterineae.

在Gordonia菌种间之差异研究中则发现12种Gordonia gyrB基因序列相似度介於79.3%-97.2%，16S rDNA的序列相似度为96.2%-99.7%，可知Gordonia放线菌的16S rDNA保留性极高，较难利用此基因序列进行菌种间之区分。gyrB基因之变异程度无论是在菌属，菌种甚至各分离株间均较16S rRNA基因大。

Any of various arboreal rodents of the genusSciurus and related genera of the family Sciuridae, having a long flexible bushy tail and including the fox squirrel, gray squirrel, and red squirrel. Also called tree squirrel

松鼠：一种松鼠属森林啮齿目动物和与松鼠科有亲缘关系的种属，有一条长长的灵活的刷子式尾巴，包括狸鼠、灰松鼠和红松鼠也作 tree squirrel

Any of various arboreal rodents of the genus Sciurus and related genera of the family Sciuridae, having a long flexible bushy tail and including the fox squirrel, gray squirrel, and red squirrel. Also called tree squirrel

松鼠：一种松鼠属森林啮齿目动物和与松鼠科有亲缘关系的种属，有一条长长的灵活的刷子式尾巴，包括狸鼠、灰松鼠和红松鼠也作 tree squirrel

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。