Through the summarizing and demonstration analysis, this article makes a clear theoretical boundary to the meaning of market access for agro-food on quality and safety and correlated conception, summarizes and gives the development rules of four steps of agro-food market access.

On the basis of the analysis of the essential characteristics and the root of an unharmonious society, relevant theoretic mechanisms on social situation and social transformation are proposed, and the theoretical boundary of social transformation is analyzed in the paper.

论文在充分解析社会不和谐现象的本质特征与根源的基础上，提出了社会态势与社会转型的相关理论机理，并就社会转型的相关理论界点进行了阐述。

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If the study of rhetoric of fiction want to gain its comparative independence and thoroughness, the theoretical boundary between narrative and rhetoric study must be clear.

小说修辞研究要想获得相对的独立性和彻底性，必须与小说叙事研究划清必要的理论界限。

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On Theoretical Boundary of the People's Livelihood Socialism and the Chinese Characteristic Socialism

民生社会主义与中国特色社会主义的理论分野

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For the application of micro-economics of population in the matter of birth, this paper has pointed out its theoretical boundary. 3.

对微观人口经济学在生育行为中的运用，本文指出了其理论边界。

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A New Concept in Geometric Precision Design The Relationship between Theoretical Boundary and Tolerance Principle

几何精度设计中的新概念&理论边界与公差原则的关系

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Furthermore, the theoretical break-through in recent biology and agro-chemistry as well as creation of breeding technology, chemical fertilizer, pesticide and agricultural machinery promoted the traditional agriculture into recent agriculture.

而近代生物学和农业化学的理论突破，以及育种、化肥、农药、农业机械和电力的出现又将古代农业推进到了近代农业时期。

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With the global habitat destruction and fragmentation, metapopulation approaches have become one of the most important tools in mathematical ecology, theoretical ecology and conservation biology.

随着全球范围的生境破坏和破碎化，集合种群的研究方法已成为数学生态学、理论生态学和保护生物学的重要手段。

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Evolutionary ecology is one of the important frontiers and hotspots in recent international research of theoretical ecology and evolutionary biology.

当前，进化生态学是国际理论生态学与进化生物学相结合的重要前沿与热点之一。

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The topics of Natural selection are inevitable to researchers who engaged in theoretical research in Biology and Biological Philosophy. This filed full of the conceptual misleading and philosophical dispute.

自然选择机制是所有从事生物学以及生物学哲学理论研究的研究者所无法回避的问题，也是充满概念误导与哲学争论的领域。

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Graduate experiment is an important part of theoretical Molecular biology teaching.

分子生物学实验是研究生理论教学的重要辅助部分。

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The usage of Blast is introduced by on-line service, E-mail service and local running respectively, in order to make everybody master it as soon as possible, and to make it become a valuable tool in studying theoretical biology.

从网上在线服务、电子邮件服务和本地运行三个方面介绍BLAST的使用方法，目的是使大家尽快掌握它，使其成为理论生物学研究的有力工具。

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Another case is UC San Francisco professor Chao Tang, who also is founder and director of the Center for Theoretical Biology at Peking University, where he teaches part of the year.

另外一个例子是了加州大学洛杉矶分校的汤超教授，同时也是北京大学理论生物学中心的创始人和领导者，每年他都会在那里任教一段时间。

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The function of the appendix seems related to the massive amount of bacteria populating the human digestive system, according to the study in the Journal of Theoretical Biology.

根据生物理论学日报上研究称，阑尾的作用看来与大量寄居于消化系统的细菌有关。

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As one mainstream of the early research of theoretical biology/ ecology, the study of epidemic dynamics has a long history and has borne fruitful outcomes.

作为理论生物/生态学早期的重要课题，人们对病毒传播行为的研究已有悠久的历史，并取得了丰硕的研究成果。

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Data analysis and theory methods have become important for exploring biological mechanism in theoretical biology research.

数据分析和理论方法成为理论生物学研究中探索生物机理的重要途径，也是人类认识自然科学世界的重要工具。

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Studies on the Idiotypic Network Regulation of Immune Systems in Theoretical Biology

理论生物学中关于免疫网络调节的研究

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Pay Close Attention to the Foundation of Innovation in Theoretical Biology

关注理论生物学创新的基础&生物学哲学的地位及学科建设

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Theoretical basis of input-output

投入产出的理论基础

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Of course, due to the limited time and research capability, there are some shortcomings in the dissertation, which will urge me to strive hard to enhance my theoretical attainment and conduct more comprehensive field work.

当然，因为时间和研究能力所限，论文中也存在不足之处，这将鞭策笔者努力提升自己的理论素养并开展更深入全面的田野调查工作。

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The theoretical attainment is made up of the ability to appreciate P.E., to make a body-building plan, to handle the emergency of common sports injury.

其中体育理论素养包括：体育鉴赏力、制定健身计划能力、常见运动损伤的紧急处理能力。

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