必要性

This paper discusses the necessity of enhancing information service for domestic animal industry,and analyses the influence factors and the laggardly causes of the database's construction. The paper makes out concerned study of quickening the pace of database's construction,the combination of information service and some correlative affairs and focuses on the information need from group customers. The study is of importance for information service's construction and development for domestic animal industry.

本文在论述了加强我国畜牧信息服务业运行机制研究必要性的基础上，对影响我国畜牧信息服务业发展的专业数据库建设及专业数据库建设缓慢的原因等因素进行了分析，对加快我国畜牧信息服务业发展的专业数据库建设、畜牧业信息服务与相关事务处理业务相结合、关注集团用户的信息需求等运行机制进行了相关的研究，对我国畜牧信息服务业的建设与发展有重要的意义。

The first part is on the necessity of establishing proper social welfare system for landless farmers.

一是建立城市失地农民社会保障制度的必要性。

This is partly out of practical necessity: it is indeed thin and lank.

当然这里面有实际的必要性，我的发质稀疏平直。

And the necessary of off lattice model and simplified energy function in protein folding is get. Then energy computation of protein folding process is designed and implemented. Secondly, with the characteristics of robustness and the ability of searching the better optimization, genetic algorithm, ant colony optimization algorithm and particle swarm algorithm are researched.

基于这个问题，主要在以下几个方面进行研究：首先，分析蛋白质折叠模型和能量优化函数，得出蛋白质非格点模型和简化能量函数在蛋白质折叠研究中的必要性，并设计实现基于非格点模型的蛋白质折叠的能量计算模块。

The following issues such as the regulatory objects of commercial law, the definition of commercial conducts, the necessity of making commercial conducts and the scope and subject of commercial law desiderate reflection and probe.

商法的调整对象、何为商事行为、制订商事行为法的必要性、商法的范围和内容等为问题，都亟需进行反思和探索。

After building the indoor model of reinforced fly ash embankment, deformation, stability, compaction technology and the mechanism of geotextile have been studied, through the trials of compaction, deflection, plate-bearing and shock tests on different thickness of soil layer. The relations between story thickness and roller-passing number regularities of strength and deformation during curing period and the recommendation lay-down coefficient are pressnted.

建立了加筋粉煤灰路堤的室内模型，通过不同层厚的碾压工艺，承载板，弯沉及冲击破坏等试验和检测，对加筋粉煤灰路堤的变形特性、稳定性、施工压实工艺及加筋的必要性和作用机理进行了研究，得出了层厚与碾压遍数的关系，强度和变形随养生时间的变化规律，松铺系数的推荐值。

Only when it comes to the application that you know the necessity of leaning.

只有当到了应用的时候你才了解到学习的必要性。

On the basis of reviewing the the ...更多 ory and practice about navigational semi-military management,the article first discoursed learnedly on the semi-military management mode of navigation institutions around the world;and made a deep anatomy in the main content,similarities and differences of china and america marine major's noral education;than careful analysised the existing problems of our country navitation semi-military management mode and pionted out the necessity of Setting up a new semi-military management system.

准军事化管理工作有其自身的特点和规律，当前航海类专业准军事化管理相对于航运业的发展有一定的滞后性，本文在回顾总结我国高等航海院校准军事化管理理论与实践的基础上，通过对世界同类院校准军事化管理模式比较研究，分析我国航海类专业管理模式的不足及实行新型准军事化管理模式的必要性，并提出了新型准军事化管理模式。

The thesis gives a macro explanation and grasp which is based on theoretical foundation, social surroundings and developing trend, explains the possibility and necessity of its appearance and discusses the developed process of its object which covers not only real property but also all asset. The author analyzes beneficial weight, systematic ideal and legal values, then clarifies that the legal system needs profound juristic basis. By using the method of comparative analysis, the author expounds the requirement of applicable conditions in other countries and analyzes its deficiencies in the Contract Law of Peoples Republic China. From the angle of legal effect after its application, the author analyzes the differences in rights and duties between legal nexus among them (the owner, the leasee, the leaser) and pure bargain relation, lease relation. The author thinks applicable range of the legal system may be enlarged and be analogized to financial lease and over the property of another. In the end, it puts forward the perfection suggestions of the legislation of the system of no break of lease with bargain.

本文首先从该制度产生的理论依据、社会背景以及发展趋势上，对其进行一个宏观了解和把握，说明其产生的可能性和必要性以及适用对象由不动产向一切财产转变的发展过程；其次通过利益衡量、制度理念、法律价值三个方面的分析，阐明该制度的存在有其深厚的法理学基础；又运用比较分析的方法，阐述各国在其适用条件上的要求，分析我国合同法有关此方面存在的缺陷；再就该制度适用后所产生的法律效果，分别分析三方(所有人、出租人、承租人)之中每两方之间的法律关系与单纯的买卖关系、租赁关系在权利义务上有何不同；然后将其适用范围扩大，类推适用于融资租赁和他物权；最后提出完善我国买卖不破租赁制度的立法上的建议。

And the combination of theory and practice is insisted as the leitmotiv of this article by the writer.

最后，笔者肯定元伦理学与实践伦理学融合的理论前景，并坚持理论与实践结合的必要性以深化全文的主旨。

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。