交流分析

At first we established an AC small-signal model of welding inverter and designed a digital controller on the basis of analyzing a typic analog welding control circuit.

本文在这部分的研究工作中，首先建立了弧焊逆变电源的交流小信号模型，并对典型的模拟控制电路进行了分析。

This article discusses the process of teacher education from unity to diversification, and analyses the questions of teacher profession in student selection, pre-job education, practical training, qualification, employ, and on-job education. It recommends 11 improvement strategies as follow: to control severely and to make better demand evaluation, to preserve partly students at government expense to spread excellent mission, to postpone the pre-job education to graduation, to make system and resource soundness in teacher education center, to make the curriculum of pre-job education flexible, to communicate college and school closely, to examine qualification actually, to unitize the teacher employ impartially, to bring the outsider into the teacher arbitration board, to classify teachers, and to found the major on-job education unit drawing up the integrated on-job education system.

摘要本文探讨我国师资培育从封闭一元到多元开放的历程，并从教师专业的角度分析师资培育多元化之後，在甄选学生，职前培育，实习，资格检定，教师聘任，以及进修等方面所遭遇的问题，对於这些问题提出下列十一项改进策略：需要严格把关，并做好需求评估；保留部分师范公费生以传承优良使命；师资培育职前课程应延至学士程度之後；「师资培育中心」制度须健全，资源须充分；职前培育课程必须具有弹性，避免固定僵化；大学与实习学校必须共同规划，密切交流；资格检定必须经过实质审查；聘任的方式必须有一致性与公平性；教评会应考虑纳入外部人士；师资培育多元化须配合教师分级制度；成立专责进修单位，规划整全系统的进修制度，提升教师进修品质。

Whereafter, the theory of adjusted AC voltage is discussed.

并对交流调压电路理论进行了分析和探讨。

To begin with, the actualities, development trends of AC drive system and the model of PMSM are studied.

本论文首先分析了交流传动系统的研究现状、发展趋势以及计算机仿真技术的应用情况。

In this paper, I would like to describe the form of the dynamic interaction between the story of Ch'en Shou and Feng Meng-Long's short story "The Couple Bound in Life and Death", and try to analyze how the former was concretized by the later.

本文旨在描述「陈寿」故事与〈陈多寿生死夫妻〉之间，动态的交流形式，从而分析后者对前者的具体化过程。

But the club convergence has been obviously exhibited, that is, the output per capita congregates within the east, middle and west districts respectively. The outcome of the paper also shows that the commercial intercourse across provinces affects the growth convergence significantly.

实证分析的结果表明，省际间包括资本流动以及劳动力流动在内的经济交流的繁荣程度对各地区经济增长收敛有着显著的正相关关系，并且可以以此推进中国各地区经济的均衡发展。

Microsoft Office Visio 2007 drawing and diagramming software makes it easy for IT and business professionals to visualize, explore, and communicate complex information.

微软Office Visio 2007绘图和图表的软件，让IT和业务专业人员的可视化，分析和交流复杂信息。

The thesis takes diagnoses by questionnaire and interview, and from those,disinterring writing mentality of students, offering academic gist for practicingcomposition teaching reform in high school.

完成这项工作主要采用了问卷调查法和访谈法，通过问卷分析和访谈交流，深入发掘学生的写作心理特征，从而为中学作文教学改革提供理论依据。

Conclusion, this paper showed you how the relationship between Soviet Union and China affect China's education modernization,analyzed the interaction of educational system and theory between two countries. Based on all above research statement, I bring forward a few principles on dealing with education intercommunicating with other countres education

结语，从整体上概括中华人民共和国成立后中苏教育关系对中国教育现代化的影响，分析双方在教育交流过程中制度层而和理论领域的互动，并在总结中苏教育关系经验的基础上提出处理中外教育关系的一些基本原则。

Distribution and cause of formation, study, use and conservation of mires in Sweden were analyzed by the author basing on field investigation, communication and reference synthesis.

基于实地考察、交流与文献整理，分析了瑞典泥炭沼泽分布与成因、泥炭沼泽研究、利用及保护状况。

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。