系统发育

ITS+5.8S rDNA region of Ulva lactuca, Ulva fasciata, Monostroma nitidum and Enteromorpha prolifera were sequenced and compared with seven samples from GenBank. The phylogenesis of different green algae was also analyzed.

通过分析石莼，裂片石莼，礁膜和浒苔样品的ITS+5.8S rDNA区序列，与GenBank中相应序列进行比对，分析了多种绿藻的系统发育关系。

Objective To investigate the intraspecies phylogeny and genetic diversity of G. lamblia .

探讨蓝氏贾第鞭毛虫种内系统发育及遗传多样性。

With two methods, plate cultivation and the novel semi-solid in situ cultivation method, strains belong to Family Leptothrix were isolated. XRF showed that the amorphous iron and manganese were two major metal elements of the precipitation formed by one strain of Leptothrix spp..

研究发现，铁细菌2号培养基为合适的分离培养基；采用平板涂布法分离出的2株氧化铁和锰的细菌，经系统发育地位的分析确定为纤发菌属；对运动纤发菌的产物分析确定无定形铁和锰为其主要金属元素；形态观察确定霍氏纤发菌呈树枝状鞘结构，而运动纤发菌呈蛛网状鞘结构。

The results indicate that the best model for DNA evolution of rbcL sequences in Liliales is GTR+I+G, and the topology of Bayesian tree is similar to those of Maximum parsimonious tree and Neighbor Joining tree, but giving more resolution and higher support values.

结果显示，百合目rbcL基因最适合的DNA进化模型为GTR+I+G，贝叶斯法与距离法和最大简约法构建的系统发育树拓扑结构相似，没有显著差异，但是分辨率和支持率明显比后者高。

Occurrence and distribution of tile cells in Malvaceae s. l. is helpful to phylogenetic study of some taxa of the family .

瓦形细胞在广义锦葵科中的分布，对研究一些类群的系统发育有意义。

Chieftain with the degenerate primers by RT-PCR.The cDNA clone of 3GT encodes a predicted polypeptides of 448 amino acids,and the deduce protein showed 76% highest identity with 3GT of Petunia hybrida and Solanum melongena,and the multiple alignment and phylogenetic analysis demonstrated that it belong to a new member of the corresponding 3GT-family enzymes.

序列分析表明，这个3GT基因编码的多肽为448个氨基酸残基，在氨基酸水平上与茄科的矮牵牛和茄子的一致性最高，均为76%，多重比较和系统发育分析均表明，该基因为3GT家族中的一个新成员。

In my study, based on morphological and biological studies, 53 character transformation series of 23 species which stand for 23 genera of the Microgastrinae in China respectively and 2 species of Miracinae and Cardichilinae were selected. Through analysis of character polarity using the method of outgroup analysis, two and multiple character data matrixe were obtained. The data is analysed through PHYLIP(Phylogeny Inference Package, version 3.6) software based on the method of cladistics, the consensus cladograms was constructed at last.

本研究以分布在中国东洋区和古北区的小腹茧蜂亚科23个属的23个种作为内群，奇脉茧蜂亚科和折脉茧蜂亚科各一种作为外群，基于形态学和生物学分析建立了53个性状演系列，通过外群比较法，得到一个由二性状和多性状数据矩阵，再用phylip(系统发育推断软件3.6版)处理数据矩阵，最后得到合意树。

These researches play an important role in studying phylogenetics and control of microsporidia in honey bees and bumble bees.

这些对蜜蜂和熊蜂微孢子虫系统发育的研究和微孢子虫的防治等具有重要的推动作用。

In order to elucidate the phylogenetic relationships of genus Bryodemella and answer such question as whether Bryodemella is a monophyletic genus, all 8 species of this genus were dealt with and a cladistic analysis is performed using thirty-four characters from external morphology in this paper.

为阐明异痂蝗属Bryodemella种间系统发育关系并回答该属是否为单系的问题，本文在研究外部形态结构的基础上选择了34个不同性状对异痂蝗属所有8种进行了支序分析，结果只产生1棵步长为55、一致性指数和保留指数均为0.80的最简约树。

Analysis of Genetic Structure and Phylogeny of Chinese Morus L.

中国桑属植物遗传结构及系统发育分析

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。