基本特点

Judging by the kind of discrepancy and the feature onpeasants'consumptionability and content ,the contemporary Chinese peasants are dividede in to 5stratumgroups,for instance:flaunty consumption stratum ,comparision consumption stratum,practical consumption stratum consumption stratum ,poor consumption etc

从社会学的视角出发，对当代中国农民生活消费的现状与特点进行研究，探讨当今中国农村社会中的消费分层现象，既便于我们更好地了解农村社会内部中各社会群体之间的关系，也更有利于我们对当代中国社会阶层结构的基本建构和特征进行充分的了解和把握，从而为采取一定的措施促进农村社会的变迁与发展提供积极的指导。

5S management was introduced to fluid drive praxis teaching, according to the characteristic of fluid drive praxis device, which can bring up students' professional quality of self-management, discipline and perseverance.

此外，根据液压传动实验台的特点，将"5S"活动引入液压传动实践教学，培养学生自我管理、严于律己、持之以恒的基本职业素质。

In this article two functional modes of the Fly-back Converter (Continuous Conduct Mode and Discontinuous Conduct Mode) are particularly analyzed, which include their characteristics, applications, the critical pattern of two functional modes is argued, both the exact boundary from the angle of circuit parameters is crystallized, at the same time, basic principle of PFC under the DCM mode is introduced, which settle theoretical basis for the subsequent design; by establishing the mathematic model of the converter, a further investigation of the configuration is made, qualitatively and quantitatively, analyzed to settle exactly theoretical basis for the subsequent emulation and the experimental parameter; from the angle of steady-state analysis, the transfer function of the system is deduced to establish dynamic small-signal state equation, emulating the system with the help of matlab, then according to the simulation result and the theory of PFC revise the system, lastly, we adopt the project which add a zero-pole compensator to the voltage loop, by this way, a satisfied system performance is gained and the PFC scheme is ensured successfully; finally, based on the previously-done work, we combining with the situation of specific design requirement, acquired the numerical value of each unit devices in this converter

详细分析了反激式变换器的两种工作状态，连续模式(Continuous Conduct Mode ，简称CCM)和断续模式(Discontinuous Conduct Mode，简称DCM)以及各自的特点、应用场合，论证了两种工作状态的临界模式，从电路参数的角度明确了二者的界限，同时还介绍了DCM模式下PFC的基本原理，为后面的设计奠定理论基础；通过对整个变换器系统建立准确的数学模型，对此变换器的电路结构做了进一步的研究，定性、定量地分析了变换器各部分的工作状态，为仿真和实验参数的确定以及电路参数的优化提供理论依据；从稳态分析的角度，为系统建立了动态小信号状态方程并推导出系统的传递函数，利用matlab对系统进行仿真，进而根据仿真结果以及PFC的相关理论对系统进行校正，采用在电压环加入零点—极点补偿器的设计方案，得到了满意的系统特性并且保证了PFC的顺利实现；最后，在前面所做工作的基础上，结合设计要求计算出此变换器系统中每个元器件的数值，利用Pspice对其进行了仿真、优化，然后根据仿真结果搭建了硬件电路。

Adaptive filter theory, method and advantages are expatiated based on the analysis of FOG principle, random signal process and statistical mathematics. Then the main algorithms of adaptive filter – LMS and RLS are analyzed in detail.

在分析了光纤陀螺的基本原理、随机信号与统计分析等数学理论的基础上，阐述了自适应滤波的原理、方法和意义，接着对自适应滤波中的LMS和RLS算法在理论上进行了详细的分析，针对VG941的数据特点进行软、硬件设计。

Firstly, it will generally describe the definition and development of USUS, types and characters of USUS and functions and effects of USUS in order to foreshadow fundamental theories.

本文首先对高校社团的内涵及发展、类型与特点、功能与作用三个方面进行了阐述，为论文作了基本理论上的铺垫。

Based on hammer and hydraulic press free forging process, computer-aided free forging process planning software system has been developed.

本文针对锤上和水压机上自由锻工艺过程研制开发出《自由锻工艺过程计算机辅助设计软件系统》，文中介绍了该系统的基本原理、功能及特点。

In accordance with the characteristics of different stages of power market, this paper proposes the different risk evasion models based on the basic principles of future and forward contract.

针对电力市场不同阶段的特点，基于期货和远期合约的基本原理，建立了不同的风险规避模型，并分析了其在电力交易中的功能体现。

The basic frame of the system, the design and realization of software and hardware are introduced.

本文介绍了系统的基本框架、软硬件的设计与实现，分析论述了系统的技术特点，并对系统的应用前景作了预测。

Urban vernacular of its initial consonant and vowel and Guangzhou, then basically the same, so experts will be included in Guangzhou, with the Cantonese language is a different tone and different accents, the opening can be identified: lianjiang recorded in May, Suixi, and other places with the vernacular Guangzhou voice, the same as most of the finals, which is characterized by a more pronounced with Gaozhou, then the edge of the state fricative consonant, and the edge of the fricative consonant word more, so it was included in the "high Yang words."

市区白话其声母、韵母与广州话基本相同，因而专家将其列入广州话，其与广州话之不同是声调和腔调差异较大，开口可辨：梅录廉江、遂溪等地白话与广州话声、韵母大部分相同，其较明显的特点是带有高州、化州话的边擦音声母，且边擦音声母的字较多，因而有人将其列入"高阳话"。

The conclusion is as follows: One of the common characteristics of overseas textbook is that they all reflect the basic concept of "structure determines property, the property of structure". The logical structure of overseas textbooks of organic chemistry is that the nature of organic compounds closely related to the theory of organic chemistry by that relationship and transformation of functional groups decide the property and reaction.

国外教材的共同特点之一是体现出"结构决定性质，性质体现结构"的基本观念，从官能团间的关系与转化来统摄有机化合物的性质及其反应，使有机化合物的性质紧扣有机化学的相关理论，构成了有机化学教材的逻辑结构。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。