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The sequence variation analyses showed that there are 236 variable and 221 parsimony-informative in the aligned 605 nucleotide sites, in addition, the relative frequenencies of four nucleotides were not equal an this fact showed that the base compositions were biased. The results of phylogenetic analyses showed:(1) the phylogenetic relationships of the Cypraeidae taxa was basically in consistent with morphology-based ones;(2)Cypraeovulinae was monophyletic in all trees, whereas Nariinae and Cypraeinae were not;(3)the monophylies of Mauritia, Palmadusta, Erosaria, Monetaria, Staphylaea and Pustularia were strongly supported by molecular data;(4)Meyer's speculation that Chelycypraea came out from Luria were also supported.

结果表明：(1)宝贝科28种动物的分子系统树大部分与形态学分类一致；(2)在系统树上，疹贝与鼻贝亚科的其它分类群的距离相隔较远，提示它们之间有较远的亲缘关系，建议将疹贝属列入宝贝亚科；(3)卵宝贝亚科包括希达贝、脊焦贝、筛目贝、拟枣贝、焦掌贝以及呆足贝等共计15个属，它们在系统树上构成独立的一个大支系，构成单系群；(4)支持Meyer将龟甲贝从禄亚贝总属中分离出来的观点，但龟甲贝和林西那贝之间的系统发生关系及其分类地位还有待于进一步探讨。

Chapter 4 includes an overall analysis of the scale and regional distribution of the backflow and it is found that although the scale has been expanding, yet it is distributed disproportionably among different regions, specifically the East China occupying a comparatively larger percentage while the middle and west areas only a small proportion, and the unbalanced distribution has not changed much even after the reform in the tuition system and the implementation of Enrollment Expansion Policy.

分析结果表明，我国高等教育人才对农村的回流规模是不断扩大的，但是高等教育人才回流在地区之间的分布是不均衡的。东部地区占有了相对较多的回流人才，中西部地区较少。高等教育收费改革和扩招以后，人才对农村的回流率不断提高，回流规模继续扩大，但回流人才在地区之间的分布特征基本没有改变。

The electrooptic effect of the optical active crystals is studied in the experimental set of polarized light interference.

研究了旋光晶体在偏光干涉实验中的电光效应，给出了旋光晶体在偏光干涉实验中出射光强与晶体旋光性之间关系的表达式I =A20 cos2 β-l ，以及与旋光晶体电光效应之间关系的表达式I =A20 cos2 β-l+(n2 -n1)l 。

The types, attributes, generation mechanism and enzyme activity of eliminative system of active oxygen species in plant are presented in this paper. In addition, the possible function of active oxygen species that may contribute to disease resistance and the difference of active oxygen species between compatible reaction and incompatible reaction in plant- pathogen interaction are discussed. And the paper commented on the relationships among the aspects talked above.

本文介绍了植物与病原物相互作用过程中活性氧的类型、性质以及活性氧的产生机制和清除系统酶活性；重点讨论在植物与病原体相互关系中活性氧的可能作用，以及植物－病原物亲和性互作与非亲和性互作之间在这方面的差异并对以上几个方面之间的关系进行了评述。

Beiqinling is between Shangdan Fault and Baoji-Luonan-Luanchuan Fault, it have own particularities in structure, geochemistry, physical geography and stratigraphy, on the stand of tectonic, it's the real division between north China and south China, and the key region to study the evolution of Qinling erogenic belt during later Paleozoic-early Mesozoic.

北秦岭构造带夹持在宝鸡—洛南—栾川断裂带和商丹断裂带之间，其组成及结构构造既不象其北侧的华北板块南缘构造带那样与华北板块相似，也不象其南侧的南秦岭构造带那样与扬子板块相似，在地层、构造、地球化学和地球物理各方面均具有独特性，从大地构造意义上说，它才是中国大陆南北之间的真正分界带，也是解析秦岭晚古生代一早中生代演化的关键区段。

Hence "the thirty-eighth year of Ptolemy Euergetes", in which the grandson of Jesus, the son of Sirach, came to Egypt, is the year 132 BC This being the case, the translator's grandfather, the author of Ecclesiasticus, may be regarded as having lived and written his work between forty and sixty years before (between 190 and 170 BC), for there can be no doubt that in referring to Jesus by means of the term pappos and of the definite phrase ho pappos mou Iesous, the writer of the prologue designated his grandfather, and not a more remote ancestor.

因此， &第三十八年托勒密Euergetes &，其中的孙子耶稣的儿子Sirach ，来到埃及，是公元前132年在这种情况下，译者的祖父的作者Ecclesiasticus ，可被视为有写他的生活和工作之间的四十零和六十年前（ 190和170之间公元前），为毫无疑问，在谈到耶稣通过长期pappos和明确的词语何pappos谅解备忘录Iesous ，作家指定的序幕，他的祖父，而不是更加遥远的祖先。

During the past decade, considerable research effort has been directed towards the development of in situmetal matrix composites, in which the reinforcements are formed in situ by exothermal reactions betweenelements or between elements and compounds. Using this approach, MMCs with a wide range of matrix materials(including aluminum, titanium, copper, nickel and iron), and second-phase particles including borides, carbides

在过去的几十年中，对于金属基复合材料我们做了大量的研究工作，这些复合材料的增强体都是通过元素之间或者元素与化合物之间的原位放热反应而加入到基体中的，这种方法广泛应用在生产金属基体材料（包括铝、钛、铜、镍和铁）和第二相颗粒中（包括硼、碳、氮、氧和他们的混合物）。

The results showed: Fragilaria brevistriata had the highest average difference in temperature to respond to heavy metals, it was 0.24 ℃ that was 0.05 ℃ high more 0.19 ℃ of together average difference in temperature of eight kinds of algae to respond to heavy metals; The percent of Fragilaria brevistriata responding better to the reagents was 80% that was the highest in eight kinds of algae; The average response time of Fragilaria brevistriata responding to the reagents was 4.65 min that was low more 5.21 min of together average response time of eight kinds of algae; Fragilaria brevistriata' sensitivity was between 0.06 mgL^(-1) and 7.0 mgL^(-1), and the luminescent bacteria' sensitivity was between 0.07 mgL^(-1) and 15.3 mgL^(-1), so Fragilaria brevistriata had lower dose to respond to the heavy metals.

结果表明：平均响应温差短线脆杆藻最大，为0.24℃，高出8种藻的0.19℃总平均温差0.05℃；较好药品响应率短线脆杆藻最高，为80%；平均响应时间短线脆杆藻居中，为4.65min，低于8种藻的总平均响应时间5.21min；短线脆杆藻对重金属的灵敏度在0.06~7.0mgL^(-1)之间，发光细菌在0.07~15.3mgL^(-1)之间，表明短线脆杆藻对重金属响应的剂量低。

Hard rock is in the time March 6, 2009 a website between one night by the one page of Baidu K not remnant, as a SEOer, the website relies on a few hot words to comparative in home page discharge at that time considerable, abrupt between discharge is less than 10IP everyday, xiaoyu having a place is frowsty.

顽石在2009年3月6日的时间一个网站一夜之间被百度K的一页不剩，作为一名SEOer，当时网站就靠几个火爆词在首页流量相当可观，突然之间流量每天不到10IP，有点小郁闷。

Result: Moderate to strong immunostainning was observed at the circularmuscle,submucosal region in normal bowel and in ganglionic bowel from patients with HD.

电镜下在环形肌近粘膜缘及环形肌外层见肠间质细胞与平滑肌细胞之间、平滑肌细胞与平滑肌细胞之间有缝隙连接存在，在无神经节细胞肠段未见此结构。

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。