母语思维对儿童第二语言习得的积极影响     

欧阳恒维 《贵州教育学院学报》2011,(4):15-17

关于母语思维与二语习得的关系,学界已有不少论述,但大多注重研究母语思维对二语习得的消极负面影响,对其积极正面影响则探讨不多。造成这一问题的关键就是认识研究的方法是机械的、片面的,而非辩证的、科学的。母语思维与二语习得具有三重关联性,即外在关联性、本质关联性和过程关联性,因此母语思维在儿童二语习得过程中,除了其消极影响外,它还有助于儿童理解、消化和吸收第二语言信息,进而帮助儿童更好地完成第二语言习得。  相似文献   

基于超声波测距的实时路况信息采集系统     

苏凯  任军  王斌  马龙飞  党浩 《实验室研究与探索》2011,30(8):70-73

基于超声波测距原理,通过AVR单片机芯片计算出道路车辆的实时速度以及车流量。采集到数据后,通过无线模块NRF24L01发送到PC端,在PC上用VB开发上位机,从而显示出实时曲线,道路信息。介绍了系统的硬件及其软件的整体设计理念,注意事项,同时给出了该系统的应用前景。  相似文献   

基于G—L指数的中德产业内贸易分析     

杨林燕 《黄石理工学院学报(人文社科版)》2011,(6):11-15

文章结合产业内贸易理论,利用G—L指数模型对中德1996—2010年双边贸易进行实证分析,结果表明,SITC5、SITC6、SITC7、SITC8这四类工业制成品贸易的主要形式是产业内贸易,而且中德双边贸易呈现由劳动密集型向资本密集型转变的趋势。同时,通过计量分析得出,中国的市场规模及德国对中国的直接投资是影响中德制成品产业内贸易的主要因素,但对不同类型制成品的产业内贸易水平的影响程度不相同。  相似文献   

基于Proteus仿真的无线电机控制系统设计     

朱永涛  李中伟 《中国现代教育装备》2011,(17):29-30

设计了一种基于单片机AT89C51和电机驱动芯片L298N构成的多路电机控制应用系统,论述其工作原理和软硬件设计方法。本设计以AT89C51单片机为控制核心,利用Proteus仿真软件对系统进行仿真实验,采用发射接收模块来实现无线远程控制,结构简单,电路稳定可靠,抗干扰能力强。  相似文献   

Toward a taxonomy of entrepreneurship education research literature: A bibliometric mapping and visualization     

《Educational Research Review》2019

The retrospective amount of research literature dedicated to entrepreneurship education (EE) is overwhelming, which makes producing an overview difficult. However, advanced bibliometric mapping and clustering techniques can help visualize and structure complex research literature. Thus, the objective of this mapping study is to systematically explore and cluster the EE research literature to deliver a taxonomic scheme that can serve as a basis for future research. The analyzed data, which were drawn from the Web of Science and Scopus, consist of 1773 peer-reviewed documents published between 1975 and 2014. On the one hand, this taxonomy should create stronger ties to educational research; on the other, it can foster international research collaboration to boost both interdisciplinary EE and its impact on a global basis. This work reinforces our understanding of current EE research by identifying and distilling the most powerful intellectual relationships among its contributions and contributors. Consequently, this study addresses not only the academic community but also entrepreneurship educators and policymakers in an effort to boost entrepreneurial spirit, design effective policy instruments, and, ultimately, improve societal welfare.  相似文献   

我国服务型制造“十四五”时期发展思路研究          下载免费PDF全文

宋大伟  朱永彬 《中国科学院院刊》2020,35(12):1463-1469

“十四五”时期,我国改革开放和现代化建设进入新发展阶段,发展服务型制造对于加快建设现代产业体系、推进制造强国建设至关重要。要深刻领会和认真贯彻党中央、国务院的战略部署,构建新发展格局、壮大新发展动能、形成新发展优势,全面提高我国制造业科技创新能力、价值创造能力和产业竞争能力。文章提出了我国“十四五”时期发展服务型制造的总体要求和主要目标,并从发展战略研究、企业数字转型、技术创新体系、产业生态培育、服务制造集群、国际竞争合作6个方面提出了相关政策建议。  相似文献   

面向“十四五”谋篇布局统筹推进创新基础设施建设   总被引：1，自引：1，他引：0       下载免费PDF全文

姚冠辉  郑晓年 《中国科学院院刊》2020,35(11):1366-1372

随着新型基础设施在经济社会发展中的基础性、战略性作用日益突显,其内涵也从最初的5G、物联网等逐步拓展至包含信息、融合和创新3种类型的基础设施。创新基础设施是信息技术前沿发展和技术进步的支撑平台,也是新型基础设施形态得以持续演进、功能得以不断拓展的动力源;将创新基础设施纳入新型基础设施的范畴,体现了国家对科技创新的充分信任和殷切期待。厘清3类新型基础设施的内涵与关系,认清当前创新基础设施发展面临的问题和挑战,在“十四五”时期高效布局创新基础设施,对于统筹提升新型基础设施的供给质量和效率具有重要意义。  相似文献   

Finding and explaining differences: A reply to Gudykunst and Hammer     

Richard L. Wiseman  Hiroko Abe 《Int J Intercult Relat》1984,8(1):11-16

A rejoinder to Gudykunst and Hammer's critique of a recent paper is presented. We argue that their position is based on two mutually exclusive propositions and cannot therefore be credible. We continue to maintain that the evidence on intercultural effectiveness shows both culture-general and culture-specific components.  相似文献   

How should cultural diversity be measured? An application using the French publishing industry     

Françoise Benhamou  Stéphanie Peltier 《Journal of Cultural Economics》2007,31(2):85-107

Despite the lack of a clear definition of the concept, “cultural diversity” has remained a core issue for more than a decade (WTO, UNESCO, etc.). The aim of this paper is to begin to fill this gap. We argue that cultural diversity is a multi-dimensional concept and that accurate metrics must rely on three criteria: variety, balance and disparity. We also stress that supplied and consumed diversity have to be distinguished. We apply this set of multiple measures of diversity to publishing data for France over the period 1990–2003. Our main result is that the situation of the publishing industry in terms of cultural diversity is highly dependent on the dimension considered. Hence, diversity increases when variety is the sole consideration, whereas taking balance or disparity into account leads to the opposite conclusion. This issue raises a series of questions about the use of diversity measures in a policy debate concerned with furthering cultural diversity.

Stéphanie PeltierEmail:

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词汇联想实验下的二语心理词汇动态分析——以某高校英语专业低年级学生为研究对象     

刘宁 《天津工程师范学院学报》2011,21(4)

以二语词汇联想实验为主要研究手段,以某高校英语专业基础阶段的两个年级学生为研究对象,探寻了中国英语学习者的二语心理词汇在不同阶段存在的异同,从而发现其发展变化特点,即：呈现出逐渐优化的趋势,反映出随着二语词汇习得量与质的提升,心理词汇意义联系逐渐加强;这也同时促进二语词汇的习得,互为作用与反作用,打破词汇僵化。  相似文献