必要性

Then the system of reeducation through labor for the rational thinking that reeducation-through-labor system is the existence of the necessity and feasibility But along with the development of social reform and improvement.

进而对我国劳动教养制度进行了理性思考，认为劳动教养制度有其存在的必要性和可行性，但必须随着社会的发展进行改革和完善。

Based on the research production, with three prestressed concrete hollow slabs from the bridge in active service for ten years, this essay studies the ultimate bearing power ,the load-bearing failure mechanism and structure reenforcement measures influence on them, through examination of each performance index, failing load test, theoretical analysis and computing research work.

对预应力混凝土桥梁结构在使用中存在的问题及国内外相关研究发展水平进行了综述，指出目前对旧桥预应力混凝土空心板实际极限承载能力进行相关研究的必要性及其重大意义； 2、对旧桥预应力混凝土空心板的混凝土强度、碳化深度、预应力筋的锈蚀状况以及裂缝状况的检测评定； 3、通过破坏荷载试验，对损伤旧桥预应力混凝土空心板的受力性能进行试验评定； 4、采用在桥面做混凝土叠合层的加固措施，通过破坏荷载试验对加固后的旧桥预应力混凝土空心板的受力性能进行评定； 5、提出在役旧桥预应力混凝土空心板的维护、加固和使用建议。

Chapter 4 is a design regarding the Anti-circumvention legislation of China, including the analysis of the necessity and urgency of perfection of our legislation, introduction of the current legislation and practice situation in China, detailed system design respecting our Anti-circumvention legislation in principle, substantive provision and procedure provision on the basis of the specific situation in China as well as the proposals to handle the potential circumvention in the reexport trade from the Separate Customs Territory especially Hongkong to mainland.

第四章主要对我国反规避立法的构建进行了制度设计。分析了完善我国反规避立法的必要性和紧迫性，介绍了当前我国反规避立法及实践的现状；结合我国具体国情就我国反规避立法的原则、实体规定及程序规定各方面对我国的反规避立法进行了具体的制度设计；对通过我国单独关税区主要是香港向内地的转口贸易中可能存在的规避行为的应对提出了建议。

The thesis discusses reformable necessity of practical teaching of logistics profession, it should be based on the characteristics of supply and demand on the logistics management in vocational colleges and the problem of practical teaching, it also put forward reformable model of the system of practical teaching under the model of close college-enterprise cooperation.

本文根据高职物流人才市场的供需特点及实践教学存在的问题，论述了高职物流实践教学改革的必要性，并就此提出了校企合作共建实践教学体系的改革模式。

The welding parts of of small diameter tube of reheater in a thermo - electric factory were calculated by finite element methods.

结合某电厂锅炉再热器集箱小径管的焊口，将实际问题理想化为符合实际的力学模型，分析了采用有限元法来求解该力学模型的必要性。

It is valuable as to the demarcation of Chinese history of modern science and technology that we reinterpret the scientific revolution from a new angle.

并且考察了国际科学史研究学术走向的转变，指出将新思路、新方法引入中国科技史研究的必要性。

The neccesity of installing back-up releaser in low voltage circuit breakers and the characteristic relationship between the magnetic system and short-circuit current were expounded.

并阐述了后备脱扣器在低压断路器中应用的必要性以及后备脱扣器的磁系统与短路电流的特性关系。

It is necessary to conduct the English remedial teaching in elementary school, and as soon as possible.

四、国小英语补救教学确实有其存在的必要性，而且要及早实施。

Through the humanistic assumption of manager, clarified the behavioral purpose of executive primarily is to pursue the maximization of currency remunerate, prove the necessityof the currency recompense incentives to manage, and divided the currency recompense contract into fix contract and changeable contract.

通过对经营者人性的假设，阐明了经营者行为的目的主要是追求货币报酬的最大化，论证了对经营者实行货币报酬激励的必要性，同时将影响经营者货币报酬的合同分为固定合同和可变合同。

Occupational pension fund's investment has its necessities, the inherent reason is to maintain the partner's right through the income of investment, and the investment demand based on the commission - agent relation reflect the character of occupational pension fund's investment: rentability, risk, mobility and transparency ,etc.

企业年金基金投资有其必要性，内在动因是通过投资的收益来维护年金计划参与人的利益，而在委托——代理关系基础上产生的投资需求则体现了企业年金基金投资的收益性、风险性、流动性和透明性等要求。

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。