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61.
在高职高专大学英语课堂教学中,加强文化导入可以有效地促进学生的实际使用英语进行交际的能力。结合多媒体课件制作实例,提出如何利用控件和VBA程序开发课件并结合课堂教学策略进行英语文化导入,既增强课件的智能化和交互性,又构建学生交际的文化语境。  相似文献   
62.
搜索策略是人工智能研究的主攻方向之一,采用不同的搜索策略在求解问题的过程中也会存在差异.通过对于八数码的搜索求解分析,采用盲目搜索中的广度优先搜索算法和启发式搜索中的A*算法进行实现,将广度优先搜索算法与A*算法进行比较,从而评价这两种搜索算法的优劣性.  相似文献   
63.
New Jersey v.T.L.O案是美国公立中小学校搜查学生的经典判例。该判例赋予了公立中小学校搜查学生的权力。只要在"合理怀疑"的基础上,学校就可以对学生进行符合"比例"原则的"无证"搜查。基于学生对所使用的学校设备与财产、私人物品、人身具有不同程度的合理的隐私期待,学校对这三类对象拥有不同范围、不同程度的搜查权。  相似文献   
64.
高校搜查权的存在有其必要性,但是高校搜查权的过度行使,则有可能给学生的隐私权造成不必要的伤害。针对高校搜查权的现状与实施中存在的问题,提出必须要对高校搜查权进行必要的限制,以便于更好地保护学生的合法权益。  相似文献   
65.
The core of smoothed particle hydrodynamics (SPH) is the nearest neighbor search subroutine. In this paper, a nearest neighbor search algorithm which is based on multiple background grids and support variable smooth length is introduced. Through tested on lid driven cavity flow, it is clear that this method can provide high accuracy. Analysis and experiments have been made on its parallelism, and the results show that this method has better parallelism and with adding processors its accuracy become higher, thus it achieves that efficiency grows in pace with accuracy.  相似文献   
66.
数控机床的人性化设计就是在人机工程的原则指导下,探讨和应用人的行为、能力、本能极限和其他的特性来对数控机床进行设计,创造一种良好的人机互动关系,体现数控机床对人性需求的关注。文章从人机工程的角度对数控机床人性化设计的内涵进行相应的分析,得到数控机床人性化设计的研究思路。  相似文献   
67.
This ethnographic study of a third grade classroom examined elementary school science learning as a sociocultural accomplishment. The research focused on how a teacher helped his students acquire psychological tools for learning to think and engage in scientific practices as locally defined. Analyses of classroom discourse examined both how the teacher used mediational strategies to frame disciplinary knowledge in science as well as how students internalized and appropriated ways of knowing in science. The study documented and analyzed how students came to appropriate scientific knowledge as their own in an ongoing manner tied to their identities as student scientists. Implications for sociocultural theory in science education research are discussed. John Reveles is an assistant professor in the Elementary Education Department at California State University, Northridge. He received his Ph.D. from the University of California, Santa Barbara in 2005. Before pursuing his Ph.D., he worked as a bilingual elementary school teacher for 3 years. His research focuses on the development of scientific literacy in elementary school settings; sociocultural influences on students' academic identity; equity of access issues in science education; qualitative and quantitative research methods. Within the Michael D. Eisner College of Education, he teaches elementary science curriculum methods courses, graduate science education seminars, and graduate research courses. Gregory Kelly is a professor of science education at Penn State University. He is a former Peace Corps Volunteer and physics teacher. He received his Ph.D. from Cornell in 1994. His research focuses on classroom discourse, epistemology, and science learning. This work has been supported by grants from Spencer Foundation, National Science Foundation, and the National Academy of Education. He teaches courses concerning the uses of history, philosophy, sociology of science in science teaching and teaching and learning science in secondary schools. He is editor of the journal Science Education. Richard Durán is a Professor in the Gevirtz Graduate School of Education, University of California, Santa Barbara. His research and publications have been in the areas of literacy and assessment of English Language Learners and Latino students. He has also conducted research on after school computer clubs, technology and learning as part of the international UC Links Network. With support from the Kellogg Foundation, he is implementing and investigating community and family-centered intervention programs serving the educational progress of Latino students in the middle and high school grades.  相似文献   
68.
The purpose of this critical analysis was to investigate the young children’s sense of numerical magnitudes and the important attributes of classrooms where children in kindergarten and first grade are exposed to mathematics. This study aimed to offer guidelines that will assist teachers as they teach mathematics to children between the ages of five and seven.  相似文献   
69.
教育数据在教育领域不断渗透,教师的数据素养水平对于有效利用教育数据、合理判断学生的行为具有重要影响。本研究旨在用德尔菲法构建中小学教师数据素养评价指标体系,为评估中小学教师数据素养提供参考依据。通过文献分析梳理中小学教师数据素养评价指标,选择相关领域专家12人,采用德尔菲法进行2轮专家意见征询,根据专家打分计算指标权重,形成中小学教师数据素养评价指标体系。问卷征询专家的积极系数为100%,专家权威程度均值为0.72,确定的一、二级指标重要性均值均大于4.00,变异系数均小于0.25,符合德尔菲法要求。最终形成了包含数据意识、数据知识、数据操控技能、数据应用能力、评价交流数据、数据思维6个一级指标和19个二级指标与40条具体内容的中小学教师数据素养评价指标体系。对46位教师进行小范围试用,验证了其科学性与可靠性,该评价指标体系可作为评价中小学教师数据素养发展水平的参考测量工具。  相似文献   
70.
现代化:网络环境下学报发展的必由之路   总被引:3,自引:0,他引:3  
硕大无比的网络,神奇地“网”住了整个世界。网络环境也迫使学报从编辑主体到编辑手段、经营管理工作走上了现代化的道路。所以,现代化是网络环境下学报发展的必由之路。  相似文献   
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