浅谈男子400m栏栏间跑节奏与运动成绩的关系

对国内外优秀的400m栏运动员栏间跑节奏与运动成绩的关系初步探讨表明,运动员选择适宜的栏间跑节奏,对提高成绩有着重要的作用。     

Reading development and dyslexia in a transparent orthography: a survey of Spanish children

Spanish-speaking children learn to read words printed in a relatively transparent orthography. Variation in orthographic transparency may shape the architecture of the reading system and also the manifestation of reading difficulties. We tested normally developing children and children diagnosed with reading difficulties. Reading accuracy was high across experimental conditions. However, dyslexic children read more slowly than chronological age (CA)-matched controls, although, importantly, their reading times did not differ from those for ability-matched controls. Reading times were significantly affected by frequency, orthographic neighbourhood size and word length. We also found a number of significant interaction effects. The effect of length was significantly modulated by reading ability, frequency and neighbourhood. Our findings suggest that the reading development of dyslexic children in Spanish is delayed rather than deviant. From an early age, the salient characteristic of reading development is reading speed, and the latter is influenced by specific knowledge about words.     

求任意两个字符串的最大匹配子串及其长度的算法设计

串匹配问题是计算机科学中研究得最广泛的问题之一,它在文字编辑与处理、图象处理、文献检索、自然语言识别、生物学等领域都有很广泛的应用。随着互联网的日渐庞大,信息也是越来越多,如何在海量的信息中快速查找自己所要的信息是网络搜索研究的热点所在,在这其中,字符串匹配算法起着非常重要的作用,一个好的串匹配算法往往能显著地提高应用的效率。文章所研究的是如何设计求任意两个字符串的最大匹配子串及其长度的算法,这种串匹配算法可应用到自动阅卷系统、查询系统、检索系统等许多系统中。     

行程编码方法的探讨

传统的行程编码是一种简单有效的数据压缩编码方法,属于无损压缩的范畴。在此基于对传统行程编码方法的研究,提出了适用于纹理图像压缩图像编码方法。采用这种方法可以取得与行程编码方法几乎相等的压缩效率,而且使纹理采样速度大为提高。     

硕士研究生学制国际比较及启示

硕士研究生学制改革是我国研究生教育改革的热点问题。西方发达国家硕士研究生学制具有如下特点:学制普遍较短,一般不超过两年;学制有弹性;学制分类,不同学位类别学制也不同。我国应推进硕士研究生教育国际化,缩短学制;保证硕士研究生教育质量,实行弹性学制;发展职业型硕士,以一年学制为宜。     

Length awareness predicts spelling skills in Finnish

Abstract. The main type of phonemic analysis skill considered to affect spelling acquisition has been awareness of phoneme quality. However, it is also important to find out whether other measures of phoneme awareness might contribute to literacy acquisition. Thus, the influence of phoneme length and phoneme quality awareness on spelling in Finnish was compared. The Oddity task was used to assess phonemic awareness and spelling skills were investigated by a spelling-to-dictation task. The results showed that length awareness predicted spelling better than quality awareness did. Moreover, length awareness was more strongly related to spelling of long phonemes, which specifically require analysis of phoneme length, than to spelling of phoneme clusters not involving length analysis. Additionally, only length awareness predicted children's general spelling skills. These findings suggest that awareness of length, which is a phonemic attribute of the Finnish language, is connected to children's spelling skills more strongly than awareness of phoneme quality is.     

中国院士群体师承效应的量化研究

采用非参数检验以及同期群分析对1978年起接受本科教育的院士群体师承效应量化测度.研究结果显示,院士群体的师承现象普遍,具有师承关系的比例达到35.62％;师承效应能够显著缩短未来当选院士进行知识积累的时间成本、做出重大创新成果的时间以及当选院士的时滞;师生关系步长每延长一代,未来当选院士的最高学位获得年龄、获奖年龄和当选院士年龄分别降低1.35岁、1.41岁和1.28岁.师从伟大导师对精英科学家的成长具有重要促进作用,师承链系统是培养精英科学家的重要途径.     

万能测长仪原理与结构研究

本文介绍了万能测长仪工作原理,并在此基础上对万能测长仪的基座、测座、尾座、电眼装置和内测装置的结构进行了分析和研究。     

英语专业学生写作句法复杂性发展研究

本文按年级分组横向考察了西南某重点大学英语专业学生写作句法复杂性的发展模式。句法复杂性用单位长度和字句密度两个维度来衡量,分别用平均T单位长度、平均子句长度和平均T单位子句数、平均T单位从句数、平均子句从句数作为单位长度和子句密度的测量指标。研究表明:句法单位长度随年级增长呈现上升发展的趋势;子句密度呈现随年级先增加后降低的发展趋势;子句密度的发展速度明显慢于单位长度的发展。运用二语习得理论分析背后的原因,为外语教学提出建议。     

平行有限长载流直导线间的相互作用

由有限长载流直导线的磁感应强度表达式及安培力公式,导出两平行有限长载流直导线之间的相互作用力的表达式,并讨论。