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111.
侯桂华 《重庆职业技术学院学报》2014,(2):43-46
中国共产党第十八次全国代表大会,是在我国进入全面建成小康社会决定性阶段召开的一次十分重要的大会。推动十八大精神"进教材、进课堂、进头脑",进而在大学生中广泛形成"真学、真懂、真信、真用"的良好风气,切实做到推动大学生对十八大精神从认知到认同与践行的转化,是高校思想政治理论课要面对的重要课题。 相似文献
112.
文本主题可视化及其在上市公司风险分析中的应用 总被引:1,自引:0,他引:1
使用可视化的方法,从词汇的粒度去发现和描述主题,指出属于同一个主题的词汇之间存在集聚特性,使用转置向量空间中的邻近关系表示这种集聚特性,进而使用多维尺度分析的方法将词汇之间的邻近关系投影到低维的MDS空间图中,以使有集聚关系、从属于同一个主题的词汇在空间图中聚类成主题。最后,将该方法成功应用于计算机应用服务业上市公司的风险分析,揭示该行业市场风险的具体表现和语义内容。 相似文献
113.
鉴于学术界对于交通中心节点的评估识别还存在指标体系考虑因子不足、计算方法导致信息损失等问题,且未见全国层面的区县级精度研究,构建涵盖政治战略、社会经济、交通运输、国土生态等方面共18个指标的中心节点评估指标体系,基于我国全国区县级单元,利用专家赋值法和多维魔方法开展更全面、更详细、更精准的交通节点评估识别,以提高综合交通的整体运转效率,实现交通与国土空间的协同发展。评估识别出687个区县级中心节点并分为3个级别,这些中心节点具有良好的全国性服务与覆盖水平。总体上看,经济越发达、区域面积越大的省份拥有较多的中心节点,土地面积在中心节点筛选中作用凸显;经济较发达、区域面积较小的省份拥有的中心节点占单元总数的比例较高,经济因素的作用更明显。 相似文献
114.
顾莹 《安徽职业技术学院学报》2014,(4)
培育大学生社会主义核心价值观,必须遵循利益引导规律、关键时期规律、柔化渗透规律、道德契合规律、知行合一规律,充分运用历史教育法、沟通商谈法、新媒体工作法、实践锻炼法,努力构建理论创新机制、灌输引导机制、监督调控机制、激励保障机制。 相似文献
115.
Alan M. Nevill Yassine Negra Tony D. Myers Senda Sammoud Helmi Chaabene 《Journal of sports sciences》2020,38(7):787-794
ABSTRACTThis study identified key somatic and demographic characteristics that benefit all swimmers and, at the same time, identified further characteristics that benefit only specific swimming strokes. Three hundred sixty-three competitive-level swimmers (male [n = 202]; female [n = 161]) participated in the study. We adopted a multiplicative, allometric regression model to identify the key characteristics associated with 100 m swimming speeds (controlling for age). The model was refined using backward elimination. Characteristics that benefited some but not all strokes were identified by introducing stroke-by-predictor variable interactions. The regression analysis revealed 7 “common” characteristics that benefited all swimmers suggesting that all swimmers benefit from having less body fat, broad shoulders and hips, a greater arm span (but shorter lower arms) and greater forearm girths with smaller relaxed arm girths. The 4 stroke-specific characteristics reveal that backstroke swimmers benefit from longer backs, a finding that can be likened to boats with longer hulls also travel faster through the water. Other stroke-by-predictor variable interactions (taken together) identified that butterfly swimmers are characterized by greater muscularity in the lower legs. These results highlight the importance of considering somatic and demographic characteristics of young swimmers for talent identification purposes (i.e., to ensure that swimmers realize their most appropriate strokes). 相似文献
116.
利用Rough集理论给出了一种客观的概率分配函数,然后利用改进的证据理论提出了一种不确定性知识的特征识别方法。 相似文献
117.
针对RFID阅读器网络中阅读器部署效率低、收敛慢等特征,提出了基于网格划分机制的静态RFID阅读器的部署方法,实现了二维平面结构和三维立体结构中阅读器的部署。并提出了当网络中RFID阅读器失效的距离向量失效预警算法。本文中提出的网格划分部署机制简单、高效、部署周期短,距离向量失效预警算法预警迅速、准确。 相似文献
118.
Esther T. Canrinus Michelle Helms‐Lorenz Douwe Beijaard Jaap Buitink Adriaan Hofman 《Educational studies》2011,37(5):593-608
This study shows that professional identity should not be viewed as a composed variable with a uniform structure. Based on the literature and previous research, we view teachers’ job satisfaction, self‐efficacy, occupational commitment and change in the level of motivation as indicators of teachers’ professional identity. Using two‐step cluster analysis, three distinct professional identity profiles have empirically been identified, based on data of 1214 teachers working in secondary education in the Netherlands. These profiles differed significantly regarding the indicators of teachers’ professional identity. Teachers belonging to the found profiles did not significantly differ in their amount of experience. 相似文献
119.
《European Journal of Sport Science》2013,13(5):433-442
AbstractThis study examined the disturbing effects of relative age on the talent identification process in the talent development programme of the German Football Association. The bias in the selection rate was examined via the extent of relative age effects. The bias in motor performance diagnostics was analysed by comparing the motor performance of selected players with normal motor development. The mechanisms underlying the relative age biases in motor performance were examined by modelling the direct and indirect effects of relative age on single motor performance tests for sprint, running agility, dribbling and ball passing and control. Data from 10,130 selected football players from the U12 to U15 age groups were collected in autumn 2010. The birth distribution differed significantly from the reference population with approximately 61% of the players born in the first half of the year. The selection probability was approximately two times higher for players born in the first quarter of the year than for players born in the last quarter. Revised motor performance diagnostics showed better results on average for relatively younger players. Path analysis revealed significant direct and indirect relative age effects for physiologically demanding tests and almost no effects for technically demanding tests. Large sample sizes allowed high resolution in relative age with additional informational content and multivariate modelling of the complex relationships among relative age, physical development and motor performance. The results are discussed on how relative age affects the effectiveness and fairness of talent identification and development processes. 相似文献
120.