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1.
程跃进 《当代体育科技》2021,(7):146-147,150
2017年,中国篮球协会提出了“小篮球计划”,并发布针对小学生教学和训练的《小篮球规则》,在教育局和体育局的大力支持下,全国各地的学校开始逐渐增设了校园篮球教学的课程。在教学过程中,采取适合小学生身心发育特点的科学教学方法,能够最大程度地激发学生的学习热情和积极性。该文主要针对小学篮球游戏教学及作用进行探讨,提出我国小学在进行篮球游戏教学时的特点和作用。  相似文献   
2.
牛换霞 《编辑学报》2017,29(1):27-29
分析科技期刊作为记载、传播创新知识和科技信息的主要载体在区域经济创新体系中发挥的重要作用,并探讨科技期刊服务区域经济创新体系的路径.  相似文献   
3.
吉布森的知觉行为理论探讨动物或人与环境之间的相互作用,认为人可以直接知觉到真实的生态世界,习得者能够直接从周围环境中获得有意义的信息。根据吉布森知觉习得理论,正确地感知环境信息能够正确地引导习得者习得行为获得“给养”,而信息感知的缺失或不明确让习得者习得意图不明确,从而诱发习得者不作为的习得行为。二语习得中,语言习得者与其所处的环境构成了一个生态环境,正确地感知与习得者相关的环境信息能指导或诱发习得者积极作为去获取环境中的意义信息。反之,则正好相反。因此,在英语教学中,改变实用性差的教学现状、改变学生被动受体的一个重要方法就是去发掘语言习得者特定的环境信息,并依据其环境信息设计适应的、能有效诱发其语言习得行为的教学环境。  相似文献   
4.
要提高独立学院的教学水平,就必须以育人为中心,培养青年教师的整体素质,通过“三育人”活动的开展,总结经验,提出合理化建议,提升青年教师的思想觉悟和师德素养,达到提高学院的整体教学水平和学生素质的目的。  相似文献   
5.
The distributed estimation has important research significance in unmanned systems. This paper investigates the distributed estimation of unmanned surface vessel (USV) via multi-sensor collaboration and 3D object recognition, in which a Knowledge Graph (KG) is constructed to store and represent the estimation results. Kalman-consensus Filter (KCF) and convolutional neural network (CNN) are used to estimate the optimal states of objects, and recognise multiple classes of objects without designing detectors for each class of objects, respectively. The recognition efficiency is improved by dividing the data into pixel blocks whose value is the number of detection points, and a point cloud dataset in different locations and rotations is also provided. Experiments are proposed to show that our method can help the USV accurately perceive entities in the environment, which validates the effectiveness of the proposed algorithm.  相似文献   
6.
《Journal of The Franklin Institute》2023,360(14):10536-10563
A new framework of optimal fractional order proportional-derivative-integral (FOPID) controller series with fuzzy proportional-derivative (PD) controller, namely OFPD-FOPID controller, is proposed in this study for seismic control of structures equipped with active tuned mass damper (ATMD). Three controllers including optimal PID, optimal FOPID, and fuzzy PID (FPID) controllers are also implemented for comparison purposes. Simulation results carried out on a 15-story building show the FOPID controller than the PID and FPID controllers can remarkably reduce the maximum floor displacement, but they represent a poor performance in mitigation of the maximum floor acceleration in different soil conditions, while the proposed OFPD-FOPID controller tracking the amount of the maximum floor acceleration to estimate the optimal control force of the actuator can provide superior performance. An average reduction of 41%, 45%, and 33% in the maximum floor displacement; 36%, 33%, and 20% in the maximum inter-story drift are given by FOPID in the dense, medium, and soft soils, while it results in an increase of 45%, 52% and 24% in the maximum floor acceleration. Similarly, the proposed OFPD-FOPID controller represents an average reduction of 52%, 55%, and 45% in the maximum floor displacement; 42%, 44%, and 28% in the maximum inter-story drift in the dense, medium, and soft soils, while it also slightly reduces the maximum floor acceleration of the studied structure located on different soil conditions.  相似文献   
7.
中国大陆民办高等教育的立法进程体现为两条主线,其一为国家有关民办教育的相关立法进程,其中当然包含民办教育中高等阶段的事项;其二为国家有关高等教育的立法进程,其中理应包含高等教育中民办性质的成分。有关立法存在着一定的问题,其中核心问题是尚未实际确立民办高校与公办高校的平等法律地位,关键问题是民办高校的法人治理结构缺乏相应的法律规范,根本问题是民办高校的产权、正当权益缺乏法律保障。  相似文献   
8.
时珍  王玉珠 《科教导刊》2020,(3):128-129
随着目前社会经济的发展脚步,它要求劳动者具有更全面的素质,企业对专业技能要求退居次要,而对劳动者核心素养、核心竞争力的要求进一步提升.现代职业教育更需要现代化、信息化应用,要做到以人为本、以学定教,注重培养人的综合能力、培养个性、创造创新,并拥有不断学习的能力,在教学模式和教学方法上对APM教学模式探索.  相似文献   
9.
集成电路产业是电子信息工业的基础,也是支撑我国国民经济发展的战略性产业与先导性产业。中美贸易摩擦在加剧产业竞争态势的同时也为我国集成电路产业的发展带来了全新的机会窗口。文章运用产业创新系统的分析框架,剖析了我国集成电路产业当前所面临的竞争态势,在此基础上提出了相应的应对策略。研究认为:坚持系统观念与原创导向打通从基础研究到产业实践的技术发展路线、完善产业政策支撑体系与服务体系、充分发挥制度优势集中突破薄弱环节、以龙头企业为中心引领创新链发展进而形成现代化创新网络体系等策略是我国集成电路产业突破“卡脖子”困境,增强国际竞争力的重要途径。  相似文献   
10.
Indoor point cloud segmentation is necessary for many applications including object identification for indoor navigation, facility management and so on. In order to construct accurate segmentation system of indoor point cloud, this paper improves cloth simulation and uses it to control the segmentation of ceiling and floor. Simultaneously, we obtain the wall points according to the points’ density. We mainly introduce indoor objects control segmentation via clustering strategy. First, we generate the cutoff distance according to the angular resolution and scan distance. Second, we use exponential function to determine the local density. Third, the cluster center is determined according to the magnitude of product of local density and distance which are normalized. Finally, the points affiliated to a cluster are controlled one by one according to the distance between point and cluster center. Segmentation of objects is then realized based on the established clusters. Experiments indicate that the proposed algorithm achieves a competitive performance when compared with several state-of-the-art algorithms. The performance of the proposed method and the accuracy of distributed segmentation are affected by the degree of closeness between objects.  相似文献   
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