Tin plating as early as 1843 puts forward the first patent, and after 1930 have industrial practical.
电镀锡早在1843年就提出了第一个专利，1930年之后才具备工业实用性。
The first part puts forward for the problem, the existent key problem commenced from the current chemistry classroom teaching, elaborating important meaning of the effective teaching.
第一部分为问题的提出，从调查当前化学课堂有效教学存在的问题入手，阐述有效教学的重要意义。
Surround design reuse idea, the paper for the first time puts forward design reuse technology, enlarges reused range to product life-cycle design field.
围绕设计重用这一思想，首次提出设计重用技术，将重用的范围扩展到产品的广义设计领域。
This paper at first puts forward the concept of discipline cluster and discipline cluster system, and then analyzes their basic connotation.
提出了学科群以及学科群系统的概念，进而分析它们的基本内涵。
This paper first introduces classical test theory and principle of adaptive testing, then puts forward a test exposure adaptive control algorithm.
介绍了经典测试理论与自适应测试原理，提出了一种在自适应测试中曝光度控制的算法。
First, Based on the advantage of the traditional class and network teaching, the essay puts forward a new class teaching model, that is, network classroom teaching.
首先，在综合传统课堂教学与网络教学优点的基础上提出了新的课堂教学形式——网络化课堂教学。
Combining the features of the ship power electric system, the article puts forward that the line should be diagnosed first.
根据船舶电力系统的特点，将船舶电力系统的故障诊断模型定为输电线路优先诊断的层次诊断模型。
This dissertation analyses the shortages of current configuration management tools at first, and puts forward a configuration management system frame with complete function.
本文首先分析了目前配置管理工具的不足，提出了一个功能完备的配置管理系统框架。
This paper puts forward an analysis framework of market rules at first, including the theory of market rule formation and the theory of market rule realization.
本文首先提出了市场规则分析的理论框架，包括市场规则形成的理论和市场规则实现的理论。
The paper first analyzes some problems in multimedia-aided teaching, and then puts forward trains of thinking and measures to improve the results of multimedia-aided teaching.
分析当前多媒体教学中存在的一些问题，以医学检验专业为例，提出提高多媒体教学效果的思路和措施。
This article analyzes the reason for resistance rise in the first stage purification furnace. It puts forward some control methods and measures.
对一段炉阻力增大的原因进行分析，提出预防和处理阻力增大的控制方法和措施。
The author first makes a difference between cultural hegemony and cultural exchange and puts forward the aims and tasks of postcolonial translation.
作者首先区分了文化霸权和文化交流的关系，提出后殖民时代第三世界翻译文学的目的和任务。
The paper puts forward a new structural concept by analyzing the performance and structure of the first water - medium variable speed fluid couplings to further perfect the functions of equipment.
本文通过对我国第一台水介质调速型液为偶合器性能和结构的分析，提出新型结构的构想，以进一步完善设备的功能。
In the first part, it begins with the background of research, and then puts forward the research subject, research purposes, research methods and the frame of research.
第一部分从研究背景出发，提出所要研究的问题，并对研究目的、研究方法和研究思路进行了阐述。
The first part reviews the theory of self-cultivation in our traditional culture and then, on the base, puts forward the concept of moral self-cultivation education and its characteristics.
论文共分三个部分：第一部分回顾了传统文化中的修身或修养理论，在此基础上提出了道德修身教育的概念及其特点；
According to the characteristic of asset securitization, in this dissertation, it puts forward to the viewpoint of two kinds of legal relationship of trust at the first time.
文章根据资产证券化的特征，首次提出了其中所反映出来的两层信托关系的观点。
The first chapter puts forward the problems travel destination exists, and points out research aim and meaning.
第一章提出旅游景区现存问题，并指出研究的目的及意义。
Detailed analysis and studying to CWM DTD at first, this paper puts forward five sector coding method of DTD and corresponding XML coding method.
本文首先对CWMDTD的详细分析和研究，本文提出了DTD的五元编码方法以及对应的XML文档编码方法。
The normal method of digital signal transmission is first briefly introduced and the necessity of two-wire operation transmission is explained and puts forward a novel design method.
本文首先简要介绍了通常采用的数字信号传输方法，说明了采用两线制传输的必要性，并提出一种新颖的设计方法。
After practice the first step shows: the methods that this paper puts forward have played an important role in improving the general physics experiment teaching result.
实践初步表明采用本文提出的方法，对提高基础物理实验教学效果起了重要作用。
The thesis is divided into five parts: the first chapter puts forward the "ethnic culture theme park" defined in this paper and the concept and content of its landscape.
本文主要分五个章节进行论述：第一章提出了本文所定义的民族主题公园及其景观的概念和内容；
This paper puts forward conceptions of dangerous Angle and bottom-thickness coefficient for the first time, gives out relation curves between them and makes analysis with actual examples.
首次提出了危险角度及底厚系数概念，并给出了它们之间的关系曲线。文末进行了实例分析。
The paper puts forward a simple and brief experiment method which contains four steps of rough adjustment first followed by fine adjustment.
本文提出了一种先经过四个步骤的粗调，然后再进行细调的简单快速实验方法。
The article first deals with the essential connotation of cultural criticism, then it puts forward the cultural criticism system which is employed to interpret literary work and its writing behavior.
本文首先论述了文化批评的内涵本质，然后提出对文学作品和创作行为进行阐释的文学批评体系。
In the first part, the paper puts forward some basic concepts and theories related to pharmaceutical product development through analyzing the procedure of new drug development.
第一部分，介绍制药企业新产品开发的一些基本概念，对制药企业新产品开发的主要内容和一般程序进行了总结。
This thesis for the internal first time puts forward the possibility of using dispersant for improving the thermal oxidation stability of Jet fuel, at same time the dispersant were chosen.
第一次使用高雷诺数热氧化安定性实验机来定量检测喷气燃料的热氧化安定性。
This paper puts forward a new MRACS method using low order model, i. e. the fourth order hydraulic servo system following the first order reference model.
本文把液压伺服系统作四阶系统，跟随一阶参考模型，提出了一种新的高阶对象和低阶模型的MRACS 的方法。
This paper puts forward a new MRACS method using low order model, i. e. the fourth order hydraulic servo system following the first order reference model.
本文把液压伺服系统作四阶系统，跟随一阶参考模型，提出了一种新的高阶对象和低阶模型的MRACS 的方法。
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