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As such, HMSPP has recently become a hotspot of development in many countries. This review summarizes researches in the past few years on the development of HMSPP, from preparation to property characterizations, with special emphasis given to the in situ polymerization technique to access long chain branched HMSPP.

本文从HMSPP的结构特点、制备方法、性能测试等方面总结了近年来的研究进展，着重介绍了反应器合成长链支化型高熔体强度聚丙烯的方法以及其结构表征，并在总结国内外现状的基础上展望了高熔体强度聚丙烯的发展前景。

The paper summarizes the applications of DNA sequences in bryophyte phylogenesis, and discusses the strategies of gene fragment selection.

本文综述了DNA序列（叶绿体基因组、核基因组和线粒体基因组）在苔藓分子系统学中的应用，探讨了基因片段的选择策略。

The study also summarizes the theories of rural population flow both home and abroad from the economic perspective, and makes the model of the rural population flow in the background of politics, Economy, society and culture in the transition period of China upon the binary economic structure theory, by-business theory,"push-draw"theory, anticipated revenue hypothesis, new labor force move and other population flow theories. Through the empirical analysis the study has demonstrated the economic motivations of population flow in the rural areas of Henan Province.

文章总结了国内外从经济方面研究农村人口流动的基本理论，特别是在二元经济结构理论、兼业理论、"推——拉"理论、预期收入假说、新劳动力转移理论等人口转移理论的基础上，结合中国转型期的政治、经济、社会、文化背景，构建了转型期中国农村人口流动的理论模型；经过实证分析，对河南省农村人口流动的历史过程和现状有了较为全面的认识，这对河南省农村人口流动的经济动因有了明确的认识。

The study also summarizes the theories of rural population flow both home and abroad from the economic perspective, and makes the model of the rural population flow in the background of politics, Economy, society and culture in the transition period of China upon the binary economic structure theory, by-business theory,"push-draw"theory, anticipated revenue hypothesis, new labor force move and other population flow theories.

文章总结了国内外从经济方面研究农村人口流动的基本理论，特别是在二元经济结构理论、兼业理论、"推——拉"理论、预期收入假说、新劳动力转移理论等人口转移理论的基础上，结合中国转型期的政治、经济、社会、文化背景，构建了转型期中国农村人口流动的理论模型；经过实证分析，对河南省农村人口流动的历史过程和现状有了较为全面的认识，这对河南省农村人口流动的经济动因有了明确的认识。

The full article divides into four parts. The first part is focusingon Shang De Yi, the composer's whole life and his achievementintroduction. The second part carries on the analytical research to hiswork's characteristics, including his work's theme choice characteristics,the cantus personality characteristics, several ...更多counterpoint skillmethods characteristics, the song type structure characteristics andthen several aspects of coloratura special features. The third partmainly investigates the esthetics values from analyses the work Thelast part summarizes the composer's creations experiences and theauthor's feelings and enlightens

全文共有四部分，第一部分，作曲家尚德义的生平及创作成就介绍，第二部分对他的作品特点进行分析研究包括他作品的题材选择特点、旋律性格特点、多声技法特点、曲式结构特点和作品的花腔特色几方面进行分析研究；第三部分主要是从分析其作品来考察其所体现的美学思想和原则，第四部分结语，总结作曲家的创作经验及写作本文的感受和启示。

At the beginning of this thesis, the author gives the definition and the equivalent definition of convex function, and then proves the equivalent relationship between them. Secondly the author proposes the decision theorem of convex function which provides a judgment basis of whether a function is a convex function. Thirdly the author summarizes and proves the convex function's operational, basic, differential and integral property. Finally the author proves several famous convex function inequalities, such as Jensen inequality, Holder inequality, Cauchy inequality. The author also provides the application of these inequalities and illustrates the importance of convex function's basic inequality and integral property in the proving process.

本文开始给出了凸函数的定义及等价定义，并证明了它们之间的等价关系；接着提出了凸函数的判定定理，对一个函数是否是凸函数提供判断依据；然后对凸函数的运算性质、基本性质、微分性质、积分性质四个方面的性质进行了总结，并给予了证明；最后证明了凸函数的几个著名不等式詹森不等式、赫尔德不等式、柯西不等式，给出了这几个不等式的一些应用实例，并举例说明凸函数的基本性质和积分性质在不等式证明过程中的重要作用。

At the beginning of this thesis, the author gives the definition and the equivalent definition of convex function, and then proves the equivalent relationship between them. Secondly the author proposes the decision theorem of convex function which provides a judgment basis of whether a function is a convex function. Thirdly the author summarizes and proves the convex function's operational ,basic , differential and integral property. Finally the author proves several famous convex function inequalities, such as Jensen inequality, Holder inequality, Cauchy inequality and Minkowski inequality. The author also provides the application of these inequalities and illustrates the importance of convex function's basic inequality and integral property in the proving process.

本文开始给出了凸函数的定义及等价定义，并证明了它们之间的等价关系；接着提出了凸函数的判定定理，对一个函数是否是凸函数提供判断依据；然后对凸函数的运算性质、基本性质、微分性质、积分性质四个方面的性质进行了总结，并给予了证明；最后证明了凸函数的几个著名不等式詹森不等式、赫尔德不等式、柯西不等式和闵可夫斯基不等式以及这几个不等式的应用，并举例说明凸函数的基本性质和积分性质在不等式证明过程中的重要作用。

This dissertation summarizes the evolvement of the forms and contents of CEE in China and several other countries. Comparison is made among these countries.

论文采用纵向与横向研究相结合，在对大学入学考试形式和内容进行历史考查、国际比较和改革现状分析的基础上，归纳大学入学考试形式、内容的发展轨迹和运行规律。

It summarizes the progress of the molecular structure and mechanism about cellulase in this paper.

综述了纤维素酶的分子结构、作用机理的研究进展。

take yangling national agricultural high-tech zone as the research base, by analyzing 37 agricultural high-tech enterprises in shaanxi, this paper summarizes the four modes of agricultural high-tech enterprises in china: derivative mode, central mode, cooperative mode and commission mode.

以杨凌国家农业高新技术产业示范区作为研究基地，通过对示范区内37家农业高新技术企业的调查分析，归纳总结出我国农业高新技术企业技术创新的四种模式：衍生型、中心型、合作型和委托型。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。