查询词典 Development Section

Main work follows:(1) In the first part of this paper, a historical development of the number theory before Gauss is reviewed.Based on the systematic analysis of Gauss"s work in science and mathematics, inquiry into the mathematical background that Disquisitiones Arithmeticae appeals and Gauss"s congruent theory;(2) The development process of Fermat"s little theorem and its important function in the compositeness test is elaborated through original literature.we think that the first three section of Disquisitiones Arithmeticae is a summary and development for ancestors" work about Fermat"s little theorem,show that Fermat"s little theorem played an important role in the elementary number theory;(3) With the two main sources of the quadratic reciprocity law, investigating Fermat,Euler,Lagrange,Legendre, until the related work of Gauss,the way to realize the laws huge push to the development of algebraic number theory in 19 centuries.

本文主要做了以下工作：(1)首先回顾了高斯之前的数论研究状况，在系统分析高斯的科学与数学成就的基础上，探讨了《算术研究》出现的数学背景和高斯的同余理论；(2)通过对原始文献的系统解读，深入分析了费马小定理发现发展的历程以及在素性检验中的重要作用，指出《算术研究》前三节是高斯在总结并发展了前人对该定理研究的基础上形成的，并揭示了费马小定理在初等数论定理证明中的核心地位；(3)以二次互反律的两个主要来源为线索，详细考察了费马，欧拉，拉格朗目，勒让德，直到高斯的相关工作，揭示了该定律对十九世纪数论发展的巨大推动作用。

This thesis combined the riverbed section and plane form, from the two side of hydraulic computation and model test, put forward the method to realized the automatic computation for river closure gap hydraulic parameters and comparison and verification. And through carrying on the secondary development to AutoCAD, realized the common software of automation drawing the topographical section of model test. Based on hydraulics computation technology, finished developing the common application software for one berm-dam vertical closure hydraulic computation.

本文结合河床断面与平面形状，从水力计算与模型试验两个角度出发，提出了实现龙口水力参数计算自动化并进行验证比较的方法；并且通过对AutoCAD进行二次开发，实现了模型试验地形断面绘制自动化的通用软件；同时以水力学计算方法为基础，完成了隧洞导流条件下单戗堤立堵截流水力计算通用应用软件的开发。

Therefore no matter from the section of the development of economy and society or the section of the academic research, we must attach great importance to the issue.

因此，无论是从经济社会发展的层面还是从学术研究的层面都必须予以高度重视。

Marketization promotes the development of the second section in service sector and help to reduce the share of the fourth section.

市场化水平的提高有利于促进第二层次服务业比重的提高并降低第四层次服务业比重。

In the present paper,the goal applies in the development in the mixed style battery cocurrent of motor driver design in the electrically operated bicycle,the use lead-acid battery and the LiFePO4 battery takes the main actuation power to originate,the iron phosphate lithium battery has the life to be long,the electric discharge power is big and the transformation power suits the high electric current product good the characteristic;The lead-acid battery is in a market condition the quite mature battery product has the high security in the thermostable characteristic,and designs a driving circuit to actuate the cocurrent to have brushes the motor to lead the bicycle advance,comes in the enfilade non-ascent road section use LiFePO4 battery as the actuation electric power to originate,in had the ascent road section use lead-acid battery to come as the actuation electric power to originate, has promoted bicycle's endurance and reduces accumulator cell's energy loss.

本论文中，目的在研制应用於混合式电池於电动自行车之直流马达驱动器设计，使用铅酸电池与磷酸铁锂电池来作为主要驱动动力来源，磷酸铁锂电池具有寿命长、放电功率大及转换功率佳适合高电流产品的特点；铅酸电池为一市面上相当成熟的电池产品具有高度的安全性於耐高温的特性，并设计一驱动电路来驱动直流有刷马达来带动自行车前进，於直路无斜度路段使用磷酸铁锂电池来作为驱动电力来源，於有斜度路段使用铅酸电池来作为驱动电力来源，提升了自行车的续航力和降低蓄电池的能量损耗。

"Later airplane design was affected by the development of the jet engine; most airplane s today have a long nose section, swept-back wings with jet engines placed behind the plane's midsection, and a tail stabilizing section."

后来飞机设计受喷射发动机的发展影响，大部分现代的飞机有一个长鼻机身，向后斜的机翼带有喷射发动机安置在飞机中段部分，尾部是安定器。

Paraffin section technique was applied in the study of the development of the seed coat of Pinus kwangtungensis. The results showed that the development of seed coat follows with the development of the megaspore mother cell. In the development of female gametophyte, a thin, dense and dark layer of cells formats around the female gametophyte.

运用石蜡切片法，在透射电子显微镜和光学显微镜下观察华南五针松种皮的形态结构和发育，用PAS反应显示细胞内淀粉粒分布，研究细胞内淀粉粒的含量。

Along with the network and technical development of information and the calculator application level of raise continuously, science and technology that the business unit hopes to pass the forerunner more and more build a carries on the usual business processing and administrations management of information-based work environment, for the business unit lead, each working talent and the business section of staff member etc. provide a good according to technical information terrace of the calculator network, the convenience top and bottom the class and the information of of internal and each section hand over with each other, norm workflow, the exaltation work efficiency and quantity, and to administration and the business management in of related text file carry on the valid management and exploitation.

随着网络与信息技术的发展及计算机应用水平的不断提高，企事业单位越来越希望通过先进的科技搭建一个进行日常业务处理及行政管理的信息化工作环境，为企事业单位领导、各个职能和业务部门的工作人员等提供一个良好的基于计算机网络技术的信息平台，方便上下级及内部各部门之间的信息交互，规范工作流程、提高工作效率和质量，并对行政和业务管理中的相关文档进行有效的管理和利用。

Company has hammered at research and development of damping section of papermaking machine since its establishment , after over 20 year's market exploration and continuous improvement, prominent achievements have been got in design, processing and reform of head box, screen section and pressing section ,it is through the first provincial identification and batch production dehydration equipment manufacturers,?

公司从成立伊始就致力于纸机湿部的研制与开发，经过二十多年的市场探索和不断改进，在流浆箱、网部及压榨部的设计、加工与改造等方面取得了卓越的成绩，是首家通过省级鉴定和批量生产脱水器材的厂家，产品载入科学技术文献出版社的《中国技术成果大会》（1993第15期）。

This part explains the purpose, significance and methods of the study. In the second section, it confirms the basic conceptions and definers of agricultural tourism and characteristics, and the function of agriculture and tourism is described and its impact on Chinese agricultural economy is analyzed, giving a further understanding of agricultural tourism. In Part III, it presents development, models and research of agricultural tourism in Countries in the world and Taiwan, and form the macro objective analysis the agricultural tourism development gap of China and International. The next three parts summed up the status and the existing problems of tourism tropical agriculture of Hainan, and proposed the development significance of Hainan's tropical agriculture tourism, and marketed analysis from product mix, tourist spending psychological and social development of Hainan's; and draw the advanced experience that the agriculture tour develops at home and abroad, suggest that the Hainan tropics agriculture develops principle; Seventh parts direction and suggestion having suggested that the agriculture tour develops to Hainan tropics on the first seven parts.

第一部分介绍本文研究的意义及方法、途径，第二部分介绍了农业旅游的相关概念、各种定义、内容及特征；并对农业旅游的功能和其对我国农业经济的影响进行剖析，加深对农业旅游的认识；第三部分介绍了世界各国及我国台湾地区一些先进国家的农业旅游发展现状、模式及相关研究，从宏观上客观的分析我国农业旅游发展与国际先进水平之间的差距；第四、五、六部分，总结了海南热带农业旅游的现状及存在的问题，提出对海南发展热带农业旅游的意义，并从产品结构、游客消费心理、社会发展等角度对海南热带农业旅游的市场情况进行分析；借鉴国内外农业旅游发展的先进经验，提出海南热带农业发展原则；第七部分在前几个部分的基础上提出了对海南热带农业旅游发展的方向及建议，建议要充分利用农业科技优势、合理规划热带农业资源、挖掘热带农业文化内涵，加强对海南热带农业资源的保护以及琼台合作，进一步发展海南热带观光农业产业。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。