必要性

At the same time, on the base of analysis of the present situation, the development trend and the leading edge technology, the necessity and feasibility about the exploitation of the full hydraulic bulldozer"s sate monitoring and fault diagnosis system is given; According to the structure, working feature and working environment, it works out system schema and system composition; The system is divided into display module, communication module and fault diagnosis module by means of block design, the implementation method and key parameter are also given; In light of the features of the full hydraulic bulldozer, the state monitoring and fault diagnosis platform composed of controller RC6-9 and display DI2/10 is designed based on CAN-Bus and the hardware design is completed; It lists the measured values and state of monitored parameters which should be real-time displayed in monitoring module as well as the data which will be transmitted; Furthermore, On the base of the study of, it gives 34 kinds of constant faults" diagnosis methods; Using BODAS software and DPS software, it compile the program code of the controller and the displayer; At last, this paper design and make the simulation test device of control system of construction machinery, through the experiment, the realizability, the categoricalness, the reliability, the stability and real-time are tested, in addition, the improved methods are given.

本文收集整理了国内外智能推土机研究的相关文献资料，综合分析了国内外智能推土机的研究现状、发展趋势和前沿技术，论证了开发全液压推土机智能系统的重要组成部分&全液压推土机状态监测与故障诊断系统&的必要性和可行性；根据全液压推土机的结构、作业特点和作业环境，制定了全液压推土机状态监测与故障诊断系统方案，确定了系统的结构组成；采用模块化设计方法，将整个系统分成了显示、通信和故障诊断三个模块，给出了各模块功能的实现方法，确定了各模块的关键技术参数：选用RC6-9和DI2／10作为系统的控制器和显示器，用CAN总线搭建了系统的通信平台，完成了系统的硬件设计；确定了系统监测参数和通信数据，对全液压推土机常见故障特征进行了分析，给出了34种常见故障的诊断方法；在BODAS软件和DPS软件的集成编程环境下，编写了控制器和显示器程序；设计并制作了工程机械控制系统模拟试验板，并在此基础上通过多次的程序调试与试验，对所设计的全液压推土机状态监测与故障诊断系统功能的可实现性、完备性、可靠性、稳定性和实时性进行了检验，证实了此系统的可行性，并提出了进一步的改进方案和措施。

It means making the light crime cases may be finalized, in a way of reconciliation cesser secta axiom, in every stage of the criminal proceeding process in line of the regulations on private prosecution.Establishment the axiom of seize suppresses or the necessity of arrestment axiom.

就是使微罪刑案当事双方在刑事诉讼各环节，均可依据我国刑诉法关于自诉的规定以和解终结诉讼；确立逮捕的谦抑原则或者逮捕的必要性原则。

Of the jaundicerelieving methods, cholecystojejunostomy with outbody bridge-transferingdrainage was easy to perform and effective.

本文结合临床资料，复习有关文献，讨论术前减黄的必要性和减黄方法的合理选择。1临床资料 1980年

The review may be not profound and meticulous enough. But if it could make us find the possibility or even the necessity of investigating Stephen Chous movies and the theory of post-modernism again, then we can say that the aims of this thesis had already been achieved.

这些考察也许还不够深入和细致，但如能令我们发觉有重新审视周星驰电影，乃至后现代理论本身的可能性甚至必要性，则已经达到本文的目的了。

The article listed three aspects: the big-character posters repudiation by Red guard in the early stages of the Great Cultural Revolution, the articles by Chulan, stand for the official vioce, and the thinkings of the scholars undertoke the West music teaching and researching in thoughts durance periods. The writers pointed out the necessity to re-summarize the historical lessons impersonality and intellectly at present.

本文分别列举&文革&初期红卫兵的&大字报&式的批判、官方喉舌&初澜&的文章以及从事西方音乐教学与研究工作的学者在禁锢中的思索三个方面，通过大量事例回顾&阶级分析&方法的具体情况和做法，提出现在重新客观地、理智地总结这种分析方法的历史教训的必要性。

The research and results have shown the feasibility and necessity of laser collimation and expanding.

研究成果表明了激光准直扩束和扩展的必要性和可行性。

In order to ease the contradictions of scarce resources and adapt the modern property rights system, it is necessery to follow the compensable using mechanism in the equipment management of universities.

本文从缓解资源稀缺矛盾、适应现代产权制度两方面论述了高校仪器设备管理实施有偿使用的必要性；同时，探讨了有偿使用机制改革面临的主要问题和措施。

The need of practice pushes the development of theories, so there is the necessity and urgency of putting forward and researching a competitory power of bio-industry theory.

生物产业的迅猛发展以及日益激烈的全球竞争，使之成为国内外政府、学术界、产业界乃至整个世界关注的焦点，实践的需要推动着理论的发展，从而使生物产业竞争力理论的提出和研究的必要性和紧迫性日趋增强。

The compulsoriness of making Trust Business Law is increasingly necessary in the situation of financial innovation: Firstly,Trust Business Law can unite the rules of market entry business operation and increase the coherence and authority of the trust industry monitor.

我国金融市场的创新发展已日益显现出专门制订《信托业法》的必要性：第一，理财市场公平竞争秩序的建立需要通过制订《信托业法》来统一市场准入和经营规则，并增强监管的一致性和权威性；第二，明确信托业应有的市场地位、确认实践中信托业由各金融机构&混业经营&趋势、为信托业发展提供交易模式指导等，都需要《信托业法》提供正式制度安排

This is to analyse the necessity of the disclosure first,and then to discuss about such relevant problems as confirmation of the reporting department seperating,contents of the seperating information and measurement of the seperating information in confirmity with the international regulation and actual situation in our country.

本文首先分析了分部信息披露的必要性，进而参照国际上有关规定，结合我国实际情况，对报告分部的确定、分部信息的内容、分部信息的计量等有关问题进行了探讨。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。