混沌论视野中的体育教学复杂性解读          下载免费PDF全文

邵桂华 《武汉体育学院学报》2007,41(5):60-65

体育教学是一个复杂的自组织系统,透过混沌论的视角来看,系统内部各组成要素之间的复杂非线性关系是引导其不断自组织演进的关键。非线性关系使简单的体育教学要素耦合成复杂的关联结构,也使偶然性成为建设丰富体育教学场景的积极因素。混沌不仅使我们洞察了预测的局限性,而且指出看似微弱的“蝴蝶力量”也可能经由“相干放大”成为影响体育教学进程的决定性因素。  相似文献   

The exclusiveness of group identity in celebrations of team success     

《Sport Management Review》2015,18(3):396-406

Basking in reflected glory (BIRGing) describes individuals’ tendency to publicly affiliate themselves with successful others. Within sport, scholars have provided foundational knowledge pertaining to BIRGing; however, they have not deeply engaged with sport fans to understand the influence of multiple group identities in celebrating team success. Using social identity theory and social identity complexity as theoretical frameworks in the current study, I conduct qualitative research with sport fans to understand how multiple group identities influence fan behaviours in response to team performance. I discover that fans (1) BIRG and blast for an enhanced sense of inclusiveness and distinctiveness, and (2) possess multiple, ordinarily inclusive group identities, which converge into a highly exclusive social identity structure immediately before, during, and after games against rivals. I conclude by discussing the potential theoretical and managerial implications regarding multiple group identities in sport contexts, as well as directions for future research.  相似文献   

任务复杂度对非英语专业学生英语表达水平的影响     

李魁琴 《科教文汇》2015,(2)

本文研究了任务复杂度在资源指引范畴中三个维度的增加对语言产出水平的影响。研究发现：复杂任务度对语言准确度没有产生显著积极影响;任务复杂度对话轮转换速度产生显著积极影响;对句法复杂度和词汇复杂度产生混合、不显著的影响;任务复杂度在资源指引范畴内的提高对语言流利度产生消极但不显著的影响。  相似文献   

鲁智深人物形象论略     

杨士钦 《济宁师范专科学校学报》2015,(1)

《水浒传》作为四大名著之一,之所以如此受世人喜爱,与其在人物形象塑造方面所取得的成就关系密切。在《水浒传》中成功塑造的人物有很多,鲁智深无疑是个中翘楚,可以说鲁智深是《水浒传》中塑造得最成功的人,这既源于其高超的武艺又源于其复杂的性格,同时还得益于其独特的上梁山之路。  相似文献   

基于哈希函数的查找算法设计及性能分析     

贾丹  张兴 《鞍山师范学院学报》2015,(2):59-62

查找是计算机程序设计中重要的操作,查找的效率一直是算法分析与设计领域关注的问题之一。在简要讨论传统的顺序查找和折半查找算法的基础上,提出一种基于哈希函数的查找算法。其方法综合了数字分析法和折叠法的特点。本文以图书信息查找为例,设计了查找算法并完成了性能分析。  相似文献   

基于动态密度的空中交通复杂度计算方法研究     

肖遥  戴福青 《中国科技纵横》2014,(14):240-242

空中交通复杂度是指管制员所指挥空域的复杂程度。当航空器在空中的运行发生变化时,会产生大量的潜在冲突。本文基于成熟的空中动态密度模型,将诸多参数进行分类,并选出最能表征这一类的突出参数,建立新的复杂度计算模型。并参考管制员解决冲突时所产生的冲突负荷,分别从交通密度、交通进展、飞行流结构、交通混合四个方面进行修正,得出复杂度的计算公式。并利用雷达数据对某一空域进行测算,得出该空域的交通复杂度值。  相似文献   

Entrepreneurial opportunity and related specialization in economic ecosystems     

《Research Policy》2022,51(9):104445

Entrepreneurial ecosystems are most often defined as locally bounded networks of institutions and individuals that help entrepreneurs to identify and exploit market opportunities. However, a prerequisite of the ability to exploit an entrepreneurial opportunity is the existence of the opportunity to begin with. In this paper, we propose an approach to representing how entrepreneurial opportunities are embedded in a regional economy. The central methodological contribution of our paper is to introduce the concept of related specialization, which we define as the concentration of high interdependencies between specialized industries within a metropolitan region, relative to the national level of concentration. We find that related specialization is positively correlated with entrepreneurial outcomes across U.S. metropolitan areas. We use related specialization to make a first attempt at representing the trophic structure of an economic ecosystem. In a biological ecosystem, the trophic structure refers to energy-transfer relationships between different species. As introduced in this paper, we propose the analogy that, in an economic ecosystem, the trophic structure may be mapped in terms of the supply-chain relationships between industries within a region. We argue that these analytic tools can help policymakers more readily understand the opportunities that are imminently available to entrepreneurs in their local environments.  相似文献   

竞技状态的理论审视     

张卫强  林劲杨  喻跃龙 《河北体育学院学报》2014,(2):48-52

立足于运动训练与竞赛实践,运用马克思主义哲学观点,在初步阐述竞技状态基本内涵的基础上,对竞技状态进行了理论审视。指出:用唯物辩证法和实践的观点认识、分析和研究竞技状态;竞技状态是复杂性和简单性的辩证统一;是易变性和稳定性的辩证统一;是可调整性和一定程度的可控性的辩证统一;对竞技状态的评价应该将生理生化指标评价、运动成绩评价和应对水平评价结合起来;竞技状态与运动成绩的关系是对称性和非对称性的辩证统一。旨在更为全面、科学的认识运动状态。  相似文献   

基于复杂性理论视角的大学专业课程有效教学基本理论构建     

周应国  孙小梅 《科教文汇》2014,(2):36-36,42

从复杂性理论视角出发,探讨大学专业课程有效教学问题,集中探讨大学专业课程有效教学的理论、特征,大学专业课教师怎样进行有效教学以及如何成为有效教师等问题,以提高大学专业课教师的教学能力和教学有效性,最终促进大学专业课教学质量的提高。  相似文献   

有限域上Ⅰ-型最优正规基对偶基复杂度的新证明     

吴保峰  周凯  刘卓军 《中国科学院大学学报》2014,31(5):586-589

万哲先和周凯于2007年确定出有限域F_qⁿ上Ⅰ-型最优正规基对偶基的复杂度在q为偶数和奇数的情况分别为3n-3和3n-2.我们通过利用关于有限域多项式基对偶基的一个引理,更清晰地求出I-型最优正规基的对偶基,从而给出其复杂度的一个新证明.  相似文献