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From the fact of sanitation school's students, we think that the mainly contents of affection education in physics teaching in sanitation school are that developing students'study drive, study attitude, study interest, self-trust and amour-propre.
从卫生学校物理教学的具体目标和学生实际状况出发,我们认为卫生学校物理教学中情感教育的主要内容是:学习动力、学习态度、学习兴趣、自信心和自尊心的培养。
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The basic approach of protecting people from being hurt or killed in an accident is to improve crashworthiness of vehicles. This paper starts with discussing theories and methods for vehicle passive safety design, which included experiential methods, analytic methods, multi-body dynamics methods, crash test methods and the finite element method. Emphasis will be paid to the basic FEM theories and algorithms of impact problems. Topics discussed include the governing equation, element discretization, hourglass control, time integration, material model, shell element algorithms and contact-impact algorithms. For more reliable simulation results, this paper then conducts study on how to accurately get material model parameters by combining the FEM method with experimental method, and develops relevant material test machine and parameter calculating software. Based on that, basic typical impact simulation and test validation study are conducted. On the basis of the above work, the paper studies the thin-shell structures'crashworthiness, which was affected by the following factors: spot-weld features, shell thickness, cross-section and pre-deformation. As to vehicle parts'crashworthiness, the paper conducts simulation study of designing energy-absorbing steering system and adaptive airbag system. A practical energy-absorbing steering wheel is designed as an example. In further depth research, the paper suggests several inverse quantificational methods for vehicle crashworthiness design based on the ideal crash characteristics. The above theories and methods are applied with good results through several practical vehicles' crashworthiness design and improvement.
文中对汽车碰撞安全性的设计理论和方法进行了归类和总结,其中包括经验法、解析法、多刚体动力学法、试验法以及有限元方法等;重点介绍了碰撞有限元法的基本理论和有关算法,涉及到有限元求解控制方程、单元离散、沙漏模态控制、时间积分、材料模型和应力修正、薄壳单元算法以及接触碰撞界面算法等,探讨了有限元计算中的材料模型参数获取技术,开发了相应的材料试验装置及材料模型参数反求软件,在此基础上进行了基本的碰撞仿真算例和试验对比研究;文中通过应用有限元方法研究了薄壁构件的碰撞吸能特性,指出了设计薄壁吸能构件时需要考虑的几个主要影响因素,即焊点、壁厚、横截面和预变形等;在关于车辆部件的碰撞安全性能设计中进行了吸能转向机构和自适应安全气囊的仿真研究,提出了吸能转向机构和自适应安全气囊的仿真研究方法;文中最后探讨了整车碰撞性能的设计与改进方法,提出了以理想碰撞特性为目标,采用分段加速度或者根据碰撞时间进行设计的反推设计法、部件吸能仿真优化设计法等量化设计方法,并通过综合应用文中所讨论的相关技术进行了整车碰撞性能的设计与改进实例研究,所选定的车型是大众化的普通轿车和碰撞安全性基础较差的微型面包车,研究结果表明,本文所提出的设计与改进方法是适用而有效的,具有重要的工程实用意义和价值。
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On the based of the previous study, made a further study on the appraisement and the empirical study of the development of the enterprise.
在借鉴前人研究成果的基础上,将对企业持续成长的评价研究和实证分析更推进了一步。
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Since the research is an attempt to study the issue of ideology in a microscopic view,also an attempt to study the issue of Chinese peasant\'s ideology as a separate field and an attempt to study separately the issue of ideology of a certain group in China, the paper uses deep description method in ethnography of cooperation artel mode and individual-oriented ethnography reaserch method.
由于本研究是用微观方法研究意识形态的尝试,也是把农民意识形态单独作为一个研究领域来进行研究的尝试,同时也是一次单独研究中国某一群体意识形态的尝试,因此本研究运用了"合作社模式"的民族志"深描"和以个人为中心的民族志相结合的研究方法。
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More recently , studies like the ASCOT study and the CAMELOT study , or the VALUE study have been re-evaluated.
最近一些研究,像 ASCOT 研究、 CAMELOT 研究或 VALUE 研究被重新评价。
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The top oversea studentsmeans study abroad at the government's expenses or study abroad at one's own expense, after finishing study,they will work in scientific research , teaching ,engineering technology,finance,management etc.,and get a remarkable success, they are the people of the top management,senior special technology ,the outstanding technology and owning better industry development prospects rights, invention or special technology,and so on.
"海外高层次留学人才"是指:公派或自费出国留学,学成后在海外从事科研、教学、工程技术、金融、管理等工作并取得显著成绩,为国内急需的高级管理人才、高级专业技术人才、学术技术带头人以及拥有较好产业化开发前景的专利、发明或专有技术等人才。
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Being based on the former research works. Through the study, we want to do our best to make up for the groat deficiency in the former study, bestead the summing-up of traditional classics and philology, consequently make the study on the traditional written Chinese more deepened in theory.There are seven volumes in QunjingYinbian and was classified five phylums.
本文拟在前人研究成果的基础上,对《音辨》的内容、体例、音变构词等各方面作全面深入的探讨,力求弥补前人在该方面研究中的些许不足,同时裨益于对传统经学和小学进行现代性的总结,从而使传统文献语言的研究从理论上得到深化。
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The direction and method for future antimony study are also suggested. The district in the Southwest of China is a good place to study the biogeochemical cycle and environmental effect of antimony, and this study will be of great importance.
概述了前人在锑的环境生物地球化学循环和效应方面的研究成果,分析了存在的科学问题,凝练了进一步研究的方向、思路和方法,并指出我国西南地区是开展这一方向研究的理想区域,及在该地区开展深入研究的重要性。
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BE a kind of exertive the student's independence and create sex, exertive their potential, adjust ages request of study way, but currently the high school teaching practice medium, research study of open an exhibition to return few, but such as the elephant have fix the question and answer of answer, boringly record to cantillate, machine of transcribe and occupying our student study life of overwhelming majority.
是一种发挥学生的自主性和创造性,发挥他们的潜能,顺应时代要求的学习方式,而目前中学教学实践中,研究性学习的开展还很少,而诸如象有固定答案的问答,呆板的记诵、机械的抄写占据了我们学生学习生活的绝大部分。
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Most of the frequency(1455.99 ± 187.09 Hz to 3534.13 ± 301.53 Hz)of songs in Chinese bulbul are overlapped with environment noise(under 3000Hz). In order to study the impact of urban noise on the song performances of Chinese bulbul, this study was carried out at Taichung urban areas focusing on the difference of dialects between different environment noise habitats(Shu Yi Area, Chung Hsing University, Taichung Metropolitan Park) from March to November 2007. In addition to the 3 study sites, I sampled another 6 sites (Fengle Park, Taichung Park, Botanical Garden, Art Boulevard, Ren De Village, Tong Lin Village)to find out the differences of songs frequency resulted from different environment noise habitats.
为了探讨都市噪音对白头翁鸣唱的影响,本研究於2007年3至11月以微地理尺度,探讨台中市都会地区三个不同程度噪音干扰的栖地环境(树义地区、中兴大学、台中市都会公园)之间白头翁歌曲的方言差异;另加入六小样区(台中市丰乐公园、台中市台中公园、台中市国立自然科学博物馆植物园区、台中市国立美术馆绿园道、台中县乌日乡仁德村、台中县雾峰乡桐林村),探讨在不同的噪音值干扰下,有关白头翁歌曲音频的表现。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。