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81.
课堂教学信息的同异反传递规律研究 总被引:4,自引:0,他引:4
余国祥 《绍兴文理学院学报》2003,23(10):97-100
课堂教学信息的传递是一个复杂的过程,具有同异反特征,因而可用同异反系统理论加以研究.结果表明:课堂教学信息经一般的同异反传递后,其教学效率都比较低.对同异反传递通道适当加权和调控,则可提高课堂教学效率. 相似文献
82.
《心理学和人类性特征杂志》2013,25(2):49-61
Abstract A study was conducted to explore the relationship between the way individuals feel about their sexuality (e.g., sexual esteem and sexual depression) and the way they think about their sexual self-more specifically, the difference between the way they perceive their actual and their ideal selves. It was predicted that discrepancies between individuals' actual and ideal selves would be negatively correlated with sexual esteem and positively correlated with sexual depression. Furthermore, it was predicted that there would be a significant difference between the participants' ratings of their actual and their ideal selves. There was unequivocal support for the first hypothesis and general support for the second hypothesis. The results were discussed in terms of the development of the ideal self, gender roles, and the role that social comparison processes may play in this process. Also, limitations to this study were noted and suggestions for further research were discussed. 相似文献
83.
84.
David S. Moore 《Journal of statistical planning and inference》1984,10(2):151-166
If X2 is the Pearson chi-squared statistic for testing fit, then has long been considered an associated measure of the degree of lack of fit. Here we consider two classes of statistics of chi-squared type, each having X2 as a member. The first is a class of directed divergence statistics discussed by Cressie and Read, the second consists of nonnegative definite quadratic forms in the standardized cell frequencies. We investigate the large sample behavior of , where T is any of these statistics. A number of auxiliary results on the Cressie-Read statistics are also obtained. The measures are illustrated by application to data from classical physics compiled by Stigler. 相似文献
85.
语言符号二重性的实体特征及其差别性消解——索绪尔语言符号理论研究 总被引:1,自引:0,他引:1
索绪尔的符号本体论鲜明地揭示了语言符号的施指受指二重性,并将处于对立关系中的施指和受指置于系统的制约之中,揭示了符号的系统属性和构成符号的施指和受指的系统属性,但索绪尔把语言符号两重性做了纯粹关系的解释,让符号在符号间巨大的差别之网中找到抽象自我同时,消解了自身指物的本质特征,从而陷入自我的根本迷失。只有在肯定语言符号物质性的基础上,索绪尔提出的语言符号两重性才真正担负起当代语言学的询问:语言为了自身的目的,选择、利用、协调了哪些物质性特征?——这才是语言学研究中的真正意义上的符号学准则。 相似文献
86.
莫沙比利与西沙比利治疗功能性消化不良的疗效观察 总被引:1,自引:0,他引:1
目的:比较莫沙比利与西沙比利在治疗功能性消化不良的疗效及不良反应。方法:门诊功能性消化不良病人222例随机分莫沙比利组85例,西沙比利组79例,安慰剂组58例进行治疗并观察疗效和不良反应。结果:莫沙比利组总有效率85.9%,西沙比利组总有效率86.1%,安慰剂组总有效率36.2%,莫沙比利组总有效率与西沙比利组疗效差异无显著性(p>0.05),以上两组与安慰剂组相比均疗效差异显著(p<0.001),且观察到莫沙比利的不良反应少且轻微(p<0.05),结论:两药在治疗功能性消化不良均可取得满意疗效,莫沙比利的不良反应更少更轻。 相似文献
87.
把科学技术与精神文明看作是具有一定联系的两个集合,运用集对分析的同异反分析思想和联系度表达式,初步建立了一种基于集对分析的科学技术与精神文明的关系之SPA-SM模型. 相似文献
88.
何燕 《安徽理工大学学报(社会科学版)》2009,11(1)
传统的翻译理论强调忠实,反对改写原文.但在中外翻译史和翻译实践中改写普遍存在却又常常被严重忽视.尤其在外宣翻译和旅游英汉互译过程中,由于意识形态,诗学,预期读者,阅读习惯,审美情感,英汉两种语言结构及各自文化系统间客观存在着的巨大差异,使改写成为翻译的本质属性,也是翻译的必然. 相似文献
89.
中国“数字鸿沟”日趋缩小,是东、中、西部地区内省际间差距的不断缩小的结果;区域知识发展水平、经济生活水平和对外开放程度对互联网发展区域差异的解释力最强,信息基础设施的影响也较显著。我们认为,政府应重点推进中西部贫困地区信息基础设施建设,优化教育环境与人才环境,提高企业电子商务应用程度,给予针对性的政策扶持,进而有效治理“数字鸿沟”难题,全面推进中国互联网均衡协调发展。 相似文献
90.
Follow-up experiment is widely applied to various fields such as science and engineering, since it is an indispensable strategy, especially when some additional resources or information become available after the initial design of experiment is carried out. Moreover, some extra factors may be added in the follow-up experiment. One may augment the number of runs and/or factors for the purpose of application. In this paper, the issue of the uniform row augmented designs and column augmented designs with mixed two- and three-level is investigated. The uniformity of augmented designs is discussed under the Lee discrepancy, some lower bounds of Lee discrepancy for the augmented designs are obtained. The construction algorithm of the uniform augmented designs is given. Some numerical examples indicate that uniform augmented designs can be constructed with high efficiency. 相似文献