查询词典 duration of validity

In the part I, the concept, development and current lawmaking status of E-mail are introduced. In this part, the writer states the source, development and basic technical principals of E-mail and analyses its current application status and the importance of effectiveness identification of being evidence. Besides, related international laws on E-mail and lawmaking status in many countries are introduced. Present situation of our country's lawmaking and related model laws since the utilization of E-business and E-mail are also stated and discussed. Part II emphasizes on the differences between E-mail and traditional evidences and generalizes the characteristics of E-mail, i.e.: forgeability, changeability, dependence, uncertainty, duplicatability and transmission. Through the detailed analysis, the writer concludes that it is the above-mentioned characteristics to hinder E-mail becoming the effective evidence. Part III is the key one of this article and mainly discusses the effectiveness identification of E-mail as evidence. In this part, the writer states how the 5 characteristics of E-mail mentioned in Part II to affect the validity and authenticity of E-mail as evidence.

第一部分介绍了电子邮件的概念、发展及立法现状，在该部分中笔者详细阐述了电子邮件的产生、发展以及电子邮件运作的基本技术原理，论述了电子邮件目前的应用状况以及解决其作为证据被认定问题的重要性，同时还介绍了世界上与电子邮件有关的相关国际规范以及各国立法的情况，并讨论了我国自电子商务及电子邮件使用以来的立法现状以及相关的典型立法；第二部分重点阐述了电子邮件与传统证据的区别，并将这些区别归纳为电子邮件作为数据电文的一种类型所具有的特殊属性，即：易伪造性，易修改性，依附性，原件不确定性，易复制和传播性，通过对这些特性的详细阐述，得出了这些属性是导致电子邮件无法成为有效证据的主要障碍的这一结论；第三部分是本文的重点，着重讨论了电子邮件证据效力的认定问题，该部分主要阐述了第二部分提及的电子邮件的五个特性造成了电子邮件证据在合法性和真实性这二方面的障碍。

Methods: samples for evaluation were 50 anti hcv serum plates for clinical scientific research from the clinical testing center of the state ministry of health. the samples underwent blind screening by fast reagent method, china made elisa kit and imported elisa kit, respectively. using the anti hcv positive and negative serum plates from clinical testing center of the state ministry of health as the golden criteria, the validity and reliability were tested with four fold table and the cut off of elisa was reasonably evaluated.

以卫生部临床检验中心抗 hcv临床科研血清盘标本50 份为评价标本，分别用快速试剂法，国产elisa试剂及进口elisa试剂对评价标本作盲法检测，以卫生部临床检验中心血清盘标本所提供的阴性和阳性结果为金标准，用四格表法计算出评价真实性及可靠性指标，并对elisa 法的cut off值的合理性进行评价。

Since this method,which is only the expansion of the Fourier transform,can be easily realized,it can achieve the realprocess effect in the vehiclecarried system.The simulation experiments show the validity of the proposed method.

由于该方法实现简单，仅为现有傅里叶变换的扩展，在车载系统中将会获得实时处理的效果，文末的仿真实验验证了该方法的有效性和实用性。

These results also indi- cated the validity of the generalized constitutive equation with fractional order.

这同时也从另一个侧面证明了第二章给出的广义分数阶连续介质本构方程的正确性。

On the design of index system, this paper introduces the idea of BSC to design the frame of index system, to explain the index system from the four dimensions of finance, custom, management, and development. The basal indexes of each dimension is filtered in the way of partial correlate of these indexes and EVA form the point of view of validity andindependence, and gets well indexes to make up the index system of Advanced Professional Executives performance evaluation.

在此框架下提出企业所有者对高级职业经理人绩效考核指标体系的设计模式，用平衡记分卡构建备选指标的框架，分别从财务维度、客户维度、内部营运维度、个人维度四个方面来考核高级职业经理人的绩效，在备选指标的基础上，运用相关性理论来考察指标的有效性和独立性，筛选出有效的指标构成高级职业经理人的绩效考核指标体系，保证绩效考核指标体系设计的科学性、合理性与简洁性。

By use of the method of integral equation, the second kind Fredholm's integral equation was deduced to solve the interaction factors of pile-pile, pile-soil and soil-soil. Using the principle of superposition, the piled raft foundation was calculated. The validity of the proposed method was verified through comparison with solutions obtained using other methods by existing theories of elasticity.

采用积分方程法推导出求解桩－桩、桩－土和土－土间相互作用系数所需要的第二类Fredholm积分方程，利用叠加原理对桩筏基础进行计算分析，通过与常规弹性理论方法计算结果的比较验证了本文方法的正确性。

An application of free energy framework on support vector regression machine parameters estimation is presented, and the corresponding formulas for selecting parameters and hyper parameters are derived to verify the feasibility and validity of this method.

应用自由能框架，对通常较难求解的贝叶斯支持向量回归机器的参数与超参数迸行估计，推导出相应的计算公式，并验证了该方法的可行性与有效性。

A new method is used to reduce the side frictional force in the tests, and the validity of this method is demonstrated through comparison tests.

试验中，研究了一种减小侧壁摩擦力的方法，并通过是否减轻摩擦的对比试验，论证了方法的有效性。

But "Amreeka," the opening film of the 2009 New Directors/New Films series on Wednesday, reaffirms social realism's validity as humanistic art with an educational frisson.

一名失婚的巴勒斯坦妇女带着儿子，在波湾战争开打之际搬到美国伊利诺州，发现来到这里的生活充斥着各种挑战。

Firstly, the background and the significant of the research is discussed, modern software engineering and its development is also outlined, and the present states and the reason of using the modern software engineering in power systems are also analyzed. Secondly, related theories and methods of the modern software engineering are systematically given in details, which establish the basis of the software development with the software engineering in power systems. Thirdly, the necessity of the developed power system software with the software engineering is analyzed deeply and the key techniques in carrying out the software development with the software engineering are discussed. Based on these, a concrete approach about the software development with the software engineering is proposed. And then, the software design process of 'GPS synchronous monitoring system of Hunan power grid'is given to demonstrate the utilization of the approach proposed. Subsequently, quality and efficiency of the software is analyzed, which indicates the validity of the method used. At last, the main work and fruitage of the thesis is concluded, and the further research is also pointed out.

论文首先论述了课题研究的背景和意义，概述了现代软件工程及其发展，分析了现代软件工程在电力系统中的应用现状及其原因；然后系统地阐述了现代软件工程的相关理论和方法，奠定了电力系统软件工程化开发的理论基础；接着分析了电力系统软件工程化开发的必要性，探讨了实施工程化开发涉及到的关键技术，结合现代软件工程的理论和方法，提出了一种电力系统软件工程化开发的具体方法；之后以湖南电力系统状态GPS 同步监测系统软件的开发为例，详细地阐述了该工程化方法在电力系统软件开发中的具体实践过程，并分析了软件开发的结果，指出了该方法是解决软件开发质量和效率问题的有效途径；论文最后对主要工作和成果进行了总结，并指出了有待进一步开展的工作。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。