必要性

From the numerical results it can beseen the efficiency of the improved method.

从数值试验的结果也可以看出改进算法的必要性。

Further simulations show that Liu's condition,Lehoczky's condition,and Bini's condition cannot deal with tasks with the same priority,Katcher's condition does not hold for its necessary assertion;meanwhile the condition provides the necessary and sufficient perspective of off-line schedulability checking.

进一步的仿真和实例分析表明，Liu、Lehoczky、Bini等提出的条件不能判定相同优先级的情况，Katcher条件的必要性不成立，论文提到的条件能够正确判定任务集的可调度性。

In summarize, Article bring forward necessary of research of the S-projecting wheeding-drum braker from three aspects: 1 need of automobile rule of law; 2 need of automobile technology development; 3 need that consumer request high auto-braking capability.

摘要本文在概述里从以下三各方面提出了对S形凸轮制动间隙自动调整臂进行研究的必要性：1 汽车法规的要求；2 汽车技术发展的要求；3 用户求追求高汽车制动性能的要求。

This paper briefly introduced the technical principle of Randomly amplified polymorphic DNA,and the necessity of Classification and authentication on the varieties of Bulbous Flowers.

简述了随机扩增多态 DNA技术的原理，及对球根花卉品种分类鉴定的必要性，通过对唐菖蒲和仙客来的实践应用，建议开展 RAPD技术在球根花卉品种分类上的应用研究

Also,it can burry sands and alkaline and im-prove farmlands. This paper sums up the existing me sures of diverting flood water forsiltation and suggests some countermeasures and causes of slow developme...

通过总结黄土高原地区现有的引洪漫地措施，提出了引洪慢地发展缓慢的原因及对策，探讨了本区发展引洪漫地的必要性和可行性。

Therefore, it is necessary to consider the cadastral data from perspective on temporal presenting.

因此，从时间观点考量地籍资料呈现，确实有其必要性。

Based on the status quo of the rural eadastral management in China, the necessity of establishing a rural cadastral information system is discussed.

文摘：针对我国农村地籍管理的现状，探讨了建立农村地籍管理信息系统的必要性。

The feasibility and necessity of replacing heavy oil by coke oven gas for liquid flash calciner are analyzed, the reform scheme is introduced, and the security problems after reform are discussed.

分析了流态化闪速焙烧炉由烧重油改烧焦炉煤气的可行性和必要性，介绍了改造方案，探讨了改造后的安全问题。

This article examines the necessity of the application of multimedia technology in Calorifics teaching ,analyses the advantages of multimedia teaching and the problems in Calorifics teaching ,and discusses better methods to bring multimedia teaching to more effective teaching.

本文阐述了在热学教学中应用多媒体技术的必要性，分析了多媒体教学的优势和在热学教学中容易带来的问题，探索了更好地发挥多媒体教学作用的方法。

The special and high risk enhances the necessity to cany on safety evaluation in the ordnance industry .

兵器工业自身固有的特殊性和高危险性，决定了其开展安全评价的必要性。

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。