查询词典 performance evaluation

Not only the highly controversial teaching evaluation and the insignificant service evaluation were developed, noteworthily the teaching evaluation evolving from informal and simple descriptions to a complex and institutionalized system, but also the policies, goals and functions in the field have being under dramatic transformation.

美国高校教师评价在20世纪处在不断的变革中，不但在普遍接受的研究评价之外发展出了备受争议的教学评价和无关紧要的服务评价，而且教学评价更是从非正式的简单描述发展为一套复杂的系统和制度，同时评价的政策、目的和作用也发生了变化。

This paper carries out a summative evaluation of New Perspective English Learning System. The evaluation principles and methods employed herein are on the basis of the evaluation criteria proposed and perfected by Hubbard, and draw upon the latest interface design criteria proposed by Plass.

提要：本文结合Hubbard提出并完善的软件评估标准与Plass提出的界面设计标准，提出了语言教学软件终结性评估的七大基本原则和具体评估标准，涵盖语言指导、内容设计和界面设计三个方面。

There are 7 chapters in this article.The first chapter generalize the whole article.The second chapter summarize the former research on government management in food safety and evaluation of government achievements.The third chapter introduce the theoretical design of this article. The fourth chapter review the situation of government management,including our country and Zhejiang province.The fifth chapter use the evaluation system of government achievements to evaluate the government achievements of Zhejiang province.The sixth chapter use every county"s pollution-free food date and relative data to research the effective factors on productionalt achievements of organic food. In the last chapter, we get conclusion of the government achievements" evaluation of Zhejiang province and the effective factors of productional achievements in organic foods development.Then we made correlative suggestions on the basis of the research result.

全文包括7章，第1章是导言，包括研究背景、研究目的和主要内容、研究方法和数据来源、研究创新和不足等：第2章综述了前人关于农产品质量安全政府监管和政府监管绩效评估的相关研究；第3章是研究的理论设计，提出了论文的研究思路，建立了农产品质量安全政府监管绩效评估的理论体系和安全农产品生产绩效影响因素的理论模型；第4章是对农产品质量安全政府监管状况的回顾，包括我国农产品质量安全政府监管的主要政策和实施，以及浙江省农产品质量安全政府监管政策和行动两方面；第5章是从农产品质量安全政府监管体系建设、安全农产品生产发展和农产品质量安全状况的监测结果这三个方面对浙江省农产品质量安全省级政府监管绩效进行评估，得出政府监管绩效评估的结果：第6章是对浙江省县级安全农产品生产绩效影响因素的研究，先对县级安全农产品生产绩效进行描述性分析，然后对安全农产品生产绩效影响因素进行实证研究；第7章通过对前文的总结，得出浙江省农产品质量安全政府监管绩效评估结果和安全农产品生产绩效及其影响因素的结论，并在全文研究的基础上，提出政策建议。

Scientific evaluation system and evaluation method and a quantitive model of evaluation system for teaching managment quality was established.

通过对高等学校教学管理评价存在问题的分析，提出科学评价的原则；对如何建立科学评价系统和评价方法进行了探讨并建立了教学管理质量评价系统的量化模型。

According to the principles of synthesis, dominance, regionality and relative consistency, the environment degradation evaluation system is divided into three classes: vulnerable region, vulnerable type and vulnerable cell. The research area belongs to the erosion degraded Southern Red Hilly Area region. Based on the conceptions and grading, the dissertation probes into the methodology of evaluation and case study, and establishes a potential degradation evaluation system which comprises altitude, gradient, soil erosion index K, annual rainfall, the proportion of rainfall in raining period, and the drought index of rainless period.

在脆弱性概念及其分类的基础上，本文进行了脆弱性评估的方法探讨和实证研究，在脆弱性分析的基础上，选择高度、坡度、土壤可蚀性K值、降雨量、暴雨量、多雨期降雨比重和少雨期干旱指数为潜在脆弱度指标；选取作为区域人地关系、社会经济发展与管理水平综合影响结果的人类活动指标森林覆盖率和坡耕地指数作为现实脆弱度评估的人为加速侵蚀的修正指标，计算生态环境的现实脆弱度，并将其指标体系与方法用于衡阳盆地生态环境脆弱度评估的实证研究。

To enhance security in Ad-Hoc networks,it is important to evaluate the trustworthiness of other nodes without centralized authorities.In this work,authors focus on the evaluation of trust evidence in Ad Hoc networks.First,the authors introduce the metrics of the trust,the evaluation process is modeled as a path problem on a directed graph,where nodes represent entities,and edges represent trust relations.Using the theory of semirings,a trust evaluation model based on semiring（TD-SEMIRING） is developed,then two nodes can establish an indirect trust relation without previous direct interaction and introduce the application of this model in route election.At last,the feasibility of this model is analyzed.

讨论了对可信事件的评估：首先介绍了可信的相关概念和相关的特性；接着评估过程被建模成一个在有向图寻找最短路径的问题，在该有向图中结点表示实体或者用户，边表示可信关系，通过使用半环理论，建立了一个基于半环的可信性评估模型TD-SEMIRING，在两个以前没有进行相互操作的实体之间建立间接的可信关系，介绍了这个模型在路由选择当中的应用；最后，通过仿真实验，验证、分析了该模型的有效性。

After that, it compares diagnostic evaluation, formative evaluation and summative evaluation, and clarifies the relationship between them, followed by its four characteristics.

第三章对当前的教学现状进行了分析，说明实施形成性评价在中学英语课堂教学中的必要性和紧迫性。

During the preresearch on the testing well location selection in the south of western depression, three kinds of process and research work have been done according to the log datum on Well Moushen:(1)Formation analysis and formation pressure evaluation which verdicts that formation under 5198.5m is not of Trias, whereas is still in Permian, and abnormal formation pressure phenomenon exists in Members 1 and 3-4 of Shahejie Formation;(2)Re-interpretation of oil and gas formation and evaluation of reserve formation;(3)Evaluation of oil source rock. Members 1 and 3-4 source rocks of Shahejie Formation have good capability of oil generation.

在东濮凹陷西洼南部探井选位的前期研究中，根据该井的测井资料情况，做了三方面处理和研究工作：①地层分析和地层压力评价，认为5198.5m以下的地层不是三叠系而仍是下第三系，沙一段和沙三段—沙四段存在高压异常；②重新解释油气层和评价储集层，在沙三段—沙四段发现6层12.87m厚可疑油层；③评价油源岩，认为沙一段和沙三段—沙四段油源岩具有较好的生油能力。

This article advanced that applying harmonious degree of ambient air quality of large or medium city based on ambient air quality assessment using air pollution index at present. This article expounded its definition, evaluation basis, compartmentalizing level, evaluation method and qualitative description. Harmony degree has been carried out application on the evaluation of ambient air quality.

在目前我国城市都在应用空气污染指数来评价空气质量的基础上，提出应用环境空气质量和谐度来评价大、中型城市环境空气质量，详细阐述了环境空气质量和谐度的定义、评价依据、级别划分、评价方法以及定性描述，并对环境空气质量和谐反对城市环境空气质量评价进行了应用。

Because operating rigid frame bridges have chief diseases at present. A diseasing bridge is evaluated by using analytic hierarchy process and expert evaluation combined factor method at first, then the reinforcement measure is studied based on evaluation consequence, the calculation of internal force and deformation are carried Out by the finite element method, and the evaluation analysis of reinforcement effect is done by calculation result.

针对目前正在运营的刚架混凝土拱桥出现的主要病害，首先利用基于层次分析及专家评估的变权综合系数法对一实际病害桥梁结构进行了评估，然后根据评估结果对该桥的维修加固措施进行了研究；采用有限元方法对桥梁加固后的内力和变形进行了计算，并根据计算结果对该桥的加固效果进行了评估分析。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。