Digitizing IKS: Epistemic complexity, datadiversity & cognitive justice

In contemporary African societies where multiple systems of knowledge coexist, and the use of informatics is becoming increasingly widespread, conventional perspectives drawn from cultural anthropology, environmentalism, development studies and intellectual property rights are insufficient guides to thinking about the digitization of indigenous knowledge. Taking an interdisciplinary approach, three moments in South African knowledge dynamics are used to probe some of the ontological, epistemological, and performative implications of science/IKS interaction in the design and construction of archives and databases of local plants. Twenty-first century databases of indigenous African medico-botanical knowledge need to assure that it is recontextualized historically and socially; that its multiplicity, visuality, and orality are retained; and that “articulation work” is done to make sure that design choices and use are cognitively just.     

浅谈石油制品进销存综合管理的实现

本介绍一个石油制品进销存综合管理系统的具体实现方案。该系统包括三个子系统：加油监控子系统、液位遥测监视子系统和业务管理子系统。加油监控子系统完成电脑加油机／付油控制仪的监控；液位遥测监视子系统完成储油罐的液住、界面和温度测量，通过容积表换算成液体容积和质量；业务管理子系统通过对存储的加油数据和储油容积、质量数据进行处理，实现加油站／油库的日常管理功能。     

浅谈微电子技术的发展

本文介绍了电子器件的发展简史,并指出电子器件的每一次重大发展,必然推动科学技术各个领域的飞速前进。文中着重阐述了当前微电子器件发展的高速度、多品种、高集成度、专用芯片、低价格等趋势,以及由此将引起的电子产品设计、社会市场等各个方面的巨大而深刻的变化。     

能力为主 技术先行——高职计算机应用基础探索

计算机应用基础是高职院校的一门公共基础课,文章从高等职业教育人才培养目标出发,运用现代教育理论,结合个人教学经验和一些思考,尝试对高职院校计算机应用基础的教学方法及评价方法作一些探讨。     

Teaching and Learning Physics in a 1:1 Laptop School

1:1 laptop programs, in which every student is provided with a personal computer to use during the school year, permit increased and routine use of powerful, user-friendly computer-based tools. Growing numbers of 1:1 programs are reshaping the roles of teachers and learners in science classrooms. At the Denver School of Science and Technology, a public charter high school where a large percentage of students come from low-income families, 1:1 laptops are used often by teachers and students. This article describes the school’s use of laptops, the Internet, and related digital tools, especially for teaching and learning physics. The data are from teacher and student surveys, interviews, classroom observations, and document analyses. Physics students and teachers use an interactive digital textbook; Internet-based simulations (some developed by a Nobel Prize winner); word processors; digital drop boxes; email; formative electronic assessments; computer-based and stand-alone graphing calculators; probes and associated software; and digital video cameras to explore hypotheses, collaborate, engage in scientific inquiry, and to identify strengths and weaknesses of students’ understanding of physics. Technology provides students at DSST with high-quality tools to explore scientific concepts and the experiences of teachers and students illustrate effective uses of digital technology for high school physics.     

The Impact of Learner’s Prior Knowledge on Their Use of Chemistry Computer Simulations: A Case Study

It is complicated to design a computer simulation that adapts to students with different characteristics. This study documented cases that show how college students’ prior chemistry knowledge level affected their interaction with peers and their approach to solving problems with the use of computer simulations that were designed to learn electrochemistry. Students with different prior knowledge levels were found to use different approaches to solving problems with the use of computer simulations. In particular, the cases showed that students with a high level of prior knowledge tended to use the equations and formulas to accomplish the learning tasks and then use the computer simulations to confirm their predictions. Students with a low level of prior chemistry knowledge used the computer simulations as the main resources to accomplish their tasks. Considerations of individual differences and the integration of learning materials were suggested for further research on instructional use of computer simulations.     

略论电脑技术与创意设计在广告中的结合

广告不是电脑技术对产品的再现,它是科学,是艺术,是用艺术的语言诉说产品,用电脑技术表现。广告创作也是艺术创作,它需要好想法、好点子,符合人们的审美需求,让人们得到信息的同时,还得到美的享受。     

关于算法的认知和教学

算法教学是计算机教学中的一个重点和难点.通过对算法重要性,目前算法教学现状和学生在算法学习中的认知过程的分析,提出了一种新的算法教学思路和方法.     

Blind spot detection using vision for automotive applications

This paper describes a vision-based system for blind spot detection （BSD） in intelligent vehicle applications. A camera is mounted in the lateral mirror of a car with the intention of visually detecting cars that are located in the so-called blind spot and cannot be perceived by the vehicle driver. The detection of cars in the blind spot is carried out using computer vision techniques, based on optical flow and a double-stage data clustering technique for robust vehicle detection.     

“工学结合”下计算机软件开发教材改革初探

在国家大力发展职业教育的大形势下,职业教育的规模在扩大。如何提高高职教育的教学质量,除了好的教师、教学方法、教学工具,教材也是一个重要方面。教材是教师授课和学生学习的重要工具。特别是在提倡"工学结合"的情况下,如何编写一本好的、适应高职教学的教材也是在高职教学改革中所要注意到的问题。本文就"工学结合"下计算机软件开发教材编写改革提出一些拙见。