四部分的

And, we selected some representative species of Collembola and representative groups of Protura, Diplura, Insecta and Arustacean to sequence and analyze their 18S rRNA completely gene sequences, 28S rRNA D6-D7 domain and nearly completely gene sequences to make the studies about the phylogeny relationships of the main families and orders of Collembola, discuss the questions such as the reliability about the new four orders system to Collembola, the monophyletic and ordinal phylogenetic relationships of them and the situation of the special groups, the phylogenetic relationships about Collembola with other groups and the evolution of Hexapod.

同时选取弹尾纲的代表种类和原尾纲、双尾纲、昆虫纲、甲壳动物等节肢动物部分类群，进行了18S rRNA基因全序列和28S rRNA基因D6-D7区以及近全长序列的测定、分析，对弹尾纲重要科属的亲缘关系、进化地位进行分子系统学研究，讨论弹尾纲最新分类系统中四目的确定性、各目单系性、四目的系统关系、特殊类群的分类地位，以及弹尾纲和其它类群之间亲缘关系、六足动物进化等问题。

The whole thesis consists of four parts:The first part is emphasizing on XU Xu's solitary position which is outside the mainstream of the literary world, and pointing out his special comprehension and cognition of life .Cling to the text, we can also find that the writer's solitary existence had lead him to look for dialogize which is reflected through the novels.

全文分为四个部分：第一部分主要从分析徐訏在文坛上的边缘位置入手，揭示其主流话语之外的独自行走与认知，并指出孤独使他产生寻求对话的心理动向及这种对话在文本中的表现。

There are four parts in this paper:The first part: the development of the anti-dumping legislations. Based on the analysis of the harm of dumping to the economy, it demonstrates the necessity and impendency of anti-dumping and points out the development and tendency of the anti-dumping legislations of the world.

全文分为四个部分：第一部分&反倾销法的历史演变与发展趋势&，论述了倾销对经济的严重危害和反倾销立法的重要性和迫切性，并分析国际反倾销立法的演变过程和发展趋势。

The paper will research on the role of tax claims in the liquidation proceeding mainly by means of comparative research and positivism by four parts. Part 1 is summarize of the tax claims, mainly analyses the character of the tax jurally relation, believing that it is a kind claims provided by the public law.

本文主要采用比较研究和实证分析的方法对我国破产法中税收债权的地位进行研究，全篇总共分为四个部分：第一部分是对税收债权的概述，主要分析了税收法律关系的性质，认定税收是一种公法债权。

The tribological characteristics of the esterified Castor oil is better than those of Castor oil, Di-iso-butyl sebacate, Pentaerythritol esters , mineral oil 150#, bean oil, Rapeseed oil. As part of 12-hydroxyl of Castor oil acid has transformed into ester so that the isomerization degree of esterified castor oil increases with the branching carbon chain extending.

四球机测定酯化蓖麻油的摩擦性能优良；优于蓖麻油、癸二酸二异辛酯、季戊四醇酯、矿物油VG150〓、豆油和菜籽油；酯化蓖麻油的流变性能改进的机理认为是部分12-OH酯化后，直链的植物油结构异构化。

We establish the quantum theory of the one-mode micromaser injected by ultracold V-type three-level atoms with atomic coherence, and discuss the properties of the emission probability, the photon statistics, the spectrum and the velocity selection. We find the following results. There are two sets of peaks in the plot of the emission probability versus the cavity length. The injected atomic coherence can deeply affect the values of the two sets of peaks and the unresonant platform.

第一部分包括第一章到第四章，在这部分，我们建立了具有原子相干性的超冷V型三能级原子注入的单模Micromaser的量子理论，研究了原子发射几率、腔场光子统计、腔场光谱、以及腔对原子速度选择等性质，并着重研究了原子相干性对这些性质的影响。

A foreign-invested enterprise that reinvests in China its share of profit obtained from the enterprise for a period of not less than five years, shall be refunded 40% of the income tax already paid on the reinvested portion. If investing in projects that produce export goods or projects with advanced technology, the enterprise shall be refunded the income tax in full.

四、外商投资企业缴纳所得税后，外国投资者从企业获得的利润再投资于中国境内，其经营期在5年以上的，可退还其再投资部分已缴纳所得税税款的40%；若投资于产品出口企业或先进技术企业，全部退还其再投资部分已缴纳的所得税税款。

With the giant 201 alfalfa varieties match highly effective nodulestrain is SM29, SM32, SM33 and SM35, after vaccinates above four kind of strains, entire nitrogencontentequally grew compared to the comparison 27.38%; A high comparison equally grew60.27%; The aerial parts dry weight grew 2～3 to double, separately grew 327.00%, 300.65%,280.56% and 279.70%; After the vaccination fresh weight and the comparison compares alsohas theremarkable enhancement, separately grew 148.12%, 132.64%,121.34% and 121.76%.

田间小区试验结果表明，与巨人201高效匹配的根瘤菌株是SM29、SM32、SM33和SM35，接种后其全氮含量分别为27.11％、26.78％、28.92％、27.5％，而对照仅为21.65％；地上部分干重与对照相比，有显著性的增长，分别增长了280.56％、327.00％、300.65％和279.70％，增长了1～3倍，有效地提高了紫花苜蓿的干草产量；接种后地上部分植株高度分别为102.67cm、100.17cm、94.25cm、102.50cm，而对照植株高度为62.33cm；接种这四种根瘤菌，接种效果明显，大大提高了巨人201的鲜草产量，分别比对照增长了121.34％、148.12％、132.64％和121.76％。

This thesis is divided into four parts. The first part is a brief introduction of case teaching and introduces the development, meaning and relation with example teaching in ideological and political teaching.

本文共分四个部分，第一部分是思想政治课案例教学的概述，介绍了案例教学的历史发展、内涵，思想政治课案例教学的含义、特点、实质以及思想政治课案例教学与例子教学、范例教学的关系。

The main purpose of this article is to work over and analyse dynamic specialties of the plane four bar mechanism especially crank and rocker mechanism and brace cake mechanism in the dynamic and constrained system contained with mechanical and hydraulic integration, and dynamic specialties of the plane four bar mechanism in the system made of mechanical and hydraulic integration can carry out and be easily computed by the software MATLAB to have a simulation.

本文的主要目的是研究分析机械系统和液压系统综合动态约束系统下，对机械系统单元部分选取的平面四连杆机构，尤其是曲柄摇杆机构和曲柄滑块机构的动态特性，并能通过MATLAB软件实现对机液综合机构学理论中的平面四杆机构的动态特性计算及仿真研究。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。