依据

The foundation of binding force of natural international law decides that of positive international law.

自然国际法的效力依据决定了实在国际法的效力依据。

In this paper, the primary problems belong to the current method of reliabilityevaluation of existing buildings are pointed out.

本文首先指出了现行可靠性评定方法中存在的主要问题，针对这些问题，在动态可靠度理论的基础上，依据前人的研究成果，建立了综合考虑多种因素的抗力随机过程模型，建立了考虑再服役期因素的荷载模型，给出了以优化理论为基础的可靠指标计算方法，并在综合考虑现行评估的原则和可靠度理论水平的基础上，给出了依据构件可靠指标进行等级划分，进而对结构体系可靠度作出评价的途径，提出一种新的现有结构可靠性评定的方法。

In this topic, the dynamic analysis methods for piezoelectric vibrator are studied systematically based on the theoretical model, FEM numerical experimentation and FEM governing equation for given compound-mode vibrator, and some valuable conclusions are obtained. The main work accomplished is summarized as follows: 1.Elaborate the main modeling methods for piezoelectric vibrator and the significance and necessity to study the dynamic characteristics of piezoelectric vibrator which emphasize the urgency of this paper. 2.Take the bending deformation induced by piezoelectric ceramic as example, the energy transfer mechanism of electric energy to mechanical energy are analyzed; the motion and force transfer mechanism are analyzed for the longitudinal-bending vibrator. 3.Based on mode assumption and Hamilton principle, the coupling model of piezoelectric vibrator of linear USM is built; moreover, the equivalent circuit model is obtained and a coupling equation represents the relation between electric parameters and mechanical parameters is derived which provides foundation to match the vibrator and driving circuit. 4.Combine the constitutive equation of piezoelectric ceramic with elastic-dynamical equation, geometric equation in force field and the Maxwell equation in electric field and the corresponding boundary condition equation, the FEM control equation for piezoelectric vibrator of USM to solve dynamic electro-mechanical coupling field is established by employing the principle of virtual displacement. The equation lays the foundation to study the non-linear constitutive equation of piezoelectric ceramic driven by high-power. 5.Define the dynamic indexes of characteristic of vibrator and carry out variable parameters simulation by calculating the model parameters and the electric characteristics of vibrator are simulated according to the equivalent circuit model. By numerical experimentation, the working mode of vibration of vibrator and the shock excitation results of the working frequency band which provides the mode frequency to realize bimodal are analyzed. Detailed calculation of the electro-mechanical coupling field parameters is made by programming the FEM control equation.

本课题从理论模型、有限元数值试验、有限元控制模型等方面以复合振动模式振子为例对超声电机压电振子的动力学特性及其分析方法进行了全面系统地研究，得出了许多有价值的结论，主要概括如下： 1、阐述了目前针对超声电机压电振子的主要建模方法，对压电振子动态特性的研究意义和必要性进行了论述，突出了本文研究内容的迫切性； 2、以压电陶瓷诱发弹性体发生弯曲变形为例，分析了压电陶瓷通过诱发应变来实现机电能量转换的机理；对基于纵弯模式的压电振子的运动及动力传递机理进行了分析； 3、基于模态假定，利用分析动力学的Hamilton原理，建立了面向直线超声电机压电振子的机电耦合动力学模型，并据此建立了压电振子的等效电路模型，导出了电参量与动力学特性参量的耦合方程，为压电振子与驱动电路的匹配提供了依据； 4、从压电陶瓷的本构方程出发，综合力场的弹性动力学方程、几何方程、电场的麦克斯韦方程以及相应的边界条件方程，采用虚位移原理，建立了压电振子动态问题机电耦合场求解的有限元控制方程，为研究其大功率驱动下的非线性本构模型奠定了基础； 5、界定压电振子的动力学特性指标，对压电振子的机电耦合动力学模型参数进行计算及变参数仿真；依据等效电路模型，对压电振子的电学特性进行了仿真分析；通过有限元数值实验，对压电振子工作模态附近的模态振型及工作频率附近的频段进行了激振效果分析，找出了实现模态简并的激振频率；利用有限元控制方程，通过编程计算，对压电振子的力电耦合场参数进行了详细计算，得出了一些有价值的结论。

Organizational culture, purpose of appraisal and rater anonymity were regarded as situational factors. Standards of rating was discussed as instrumental factor especially.

绩效考核对组织而言意义重大，绩效考核的结果是确定薪酬、人员培训的依据，同时也是人员任用、调配和职务升降的依据。

This study and relevant works are the second year of a five-year on-the-job training program (from January 1, 2002 through November 15, 2006),Major outcomes coming from this project include:(1) Collection and review to the experiences of domestic traffic engineering training programs in the past.(2) The planning of training course schedule, and the collection and presentation of modern traffic engineering technologies (i.e. use a World-wide Web established last year and its website: www.trafficwin.com).(3) To perform surveys to those traffic engineering officials, professors teaching at colleges and universities, chiefs at well-known traffic consultants companies so as to realize who will fit to be our courses' lectuers and establish a lectuers database in the traffic-engineering field.(4) Based on the responses of trainees and trainers, lots of teaching and learning conditions, reviews, and suggestions have been gathered for further reviewing.(5)For the long-term development, the website "Traffic Engineering and management" had replan by used the NUKE website program and phpBB forum program, and accomplishing the correcting.(6)An analysis of the establishment of national traffic engineering training education framework combined with a professional transportation knowledge bank have been done and presented to the Ministry of Transportation and Communication for further consideration and even implementation.

本计画承续自九十一年度起一项为期五年（自民国91年1月1日至民国95年11月15日），由交通部运输研究所办理的委办研究计画「交通工程人才培训计画」，今年为第二期的计画工作期，主要办理完成的工作项目包含：（1）收集、回顾与检讨过去相关之培训课程办理经验；（2）本期培训课程之规划与办理方式，以及交工科技新知之搜集与呈现（延续去年方式采网站资讯公布，网址为：www.trafficwin.com）等项目；（3）针对各县市交通局交通工程管理人员、各大专院校教授交通工程相关课程之教授以及国内知名交通顾问公司主管人员发放「课程讲师人选调查」问卷，详细收集各课程适任之讲师人选，建立一交通工程领域之讲师资料库；（4）依据参与培训课程学员之反应及规划团队之深入分析，整理归纳出本期培训课程之办理情形、相关检讨及心得建议；（5）为「交通工程与管理」网站之长期发展，将网站的架构与程式重新应用nuke网站程式与phpBB论坛程式规划，并改版完成；（6）针对未来培训课程之办理方式、课程内容及教学架构，由参训学员及专家学者直接提供改善之意见，以做为后续计画办理之重要参考与依据。

We always rest on our method to work, but is not rests on the god the way.

我们总是依据我们自己的方法来做事，而不是依据神的方式。

With the found of new Rhizobium resources and development of science and technology,Rhizobium taxonomy has transfer from tradition classification to modern systematic taxonomy.

随着根瘤菌资源的不断发现和科学技术的不断发展，根瘤菌分类从以互接种族为依据的传统分类逐步过渡到了以系统发育关系为依据的现代系统分类，特别是近十几年来，生物技术应用于根瘤菌系统发育及其分类的研究进一步促进了根瘤菌资源的开发利用，使得根瘤菌的分类及其系统发育研究有了突破性进展。

Based on the inhibition ability of extracts from seed capsule and endosperm,the seven seed sources were divided into 2 and 3 geographical groups,respectively.

依据种皮浸提液的抑制能力7个种源可分为2组，而依据胚乳浸提液的抑制能力则可被分为3组。

As a result, some valuable taxonomicmethods, criteria and our viewpoints were concluded. The morphology ofthe sporus is the main identical base at species level, which include thecharacters of the shape, size, colour, septate and ornament of the wall etc,and some sporus with distinct variable are also useful at genus level.

孢子的特征(包括形状、大小、颜色、隔膜数和表面纹饰等)是种级分类的主要依据，一些形态差异较大的孢子可作为属的划分标准；其次，分生孢子梗的形态特征、产孢细胞的延伸方式及产孢方式也是主要的鉴别依据，对属级水平上该真菌的鉴别有重要意义；另外，培养特征及产孢表型可作为分类鉴定的必要、有益补充。

In the deformation analysis, equilibrium hyperelastic constitutive equations which are obtained by our experiments are applied; In the dissipation energy analysis, dissipation energy is calculated by combining the stress-strain distributions derived from the deformation analysis and viscous dissipation characters; In the heat transfer analysis, combining temperature on tire side tested by drum test, a numerical inverse method is described for determining the heat convection boundary on tire side.

变形分析中，采用了平衡态的超弹性材料模型；损耗分析中，依据变形分析获得的应力应变场，结合材料粘性损耗特性来获得损耗能量；热传导分析中，依据实测的轮胎胎侧温度场，提出了一种基于实验的数值反演方法来确定胎侧的对流热边界条件。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。