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《Planning》2015,(4)
交互式电子白板具有强大的学科素材库和资源制作工具库。它与常用的教学软件、硬件的无缝对接,可以更好地发挥各自的优势功能,助力于数学课堂教学。比如,与几何画板兼容,可以让数学课堂即生即呈;与Office兼容,可以让课件和课堂瞬时生成;与视频展示台等兼容,可以让课堂互动更直观、更有效。 相似文献
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在建立了以遥感数据为主要数据源的城市土地利用潜力评价指标体系的基础上,以人工神经网络(ANN)方法作为主体的评价方法,构建了一个定量的土地集约利用潜力评价模型,并应用其对石家庄市土地集约利用潜力进行了评价。评价结果表明,石家庄市桥东区居住用地、商业用地中粗放利用类型占主体,分别达到41.25%和43.09%,居住用地和商业用地集约利用水平较低,而在工业用地中适度利用类型达到61.7%,因此工业用地集约利用水平较高。 相似文献
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工业区控制性详细规划的编制应从规划的控制功能和兼容功能出发,对土地利用效益、主干道系统、绿地系统、公共设施进行控制,充分考虑工业地块性质与市政设施的兼容,以及道路与市政管段的弹性。 相似文献
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《城市用地分类与规划建设用地标准》(GB50137-2011)的颁布实施为我国未来城市土地使用指明了方向,然而城市居住用地在土地使用规划中却面临着分类单一的窘境,这使得规划无法体现城市中不同人群对居住用地的不同需求,更缺乏对弱势群体保护的关注.现从我国城市居住用地分类现状的局限性出发,分析了居住用地在城镇化视角下的体现,从弱势群体保护的角度对其进行深入思考,并借鉴发达国家和地区的相关经验,提出了改进建议:将“一类居住用地”细分为传统民居类低层住宅用地和别墅类低层住宅用地;将“二类居住用地”细分为保障性住房用地和普通住宅用地;在“三类居住用地”中增加未取得本地城市户口的低收入家庭的住宅用地.并认为,虽然对弱势群体的关注应体现在规划编制、管理、实施及政府公共政策的诸多方面,但作为城市规划的基本依据,用地分类标准还是应该表达我国从中央政府到规划行业对弱势群体基本利益的保护. 相似文献
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《Planning》2015,(6)
本文提出双极型集成电路与恒流二极管的兼容制造的新思想,用恒流二极管取代原先由晶体管、电阻等组成的恒流源电路,并从电路的角度进行对比分析。简化了电路结构,改善了电路性能。 相似文献
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电气安装工程是整个建筑工程项目不可或缺的重要分部,而电气安装工程与土建工程的施工兼容配合,既是建筑工程施工的一项重要工作,也是确保工程施工质量的重要措施.本文对电气安装工程与土建工程在施工准备阶段、基础工程施工阶段、结构工程施工阶段、装饰装修阶段的全过程施工配合进行了探讨,对电气安装工程与土建工程的施工兼容配合具有一定... 相似文献
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针对郑州市的土地利用现状,分析了土地利用中存在的问题,提出优化用地布局的建议和对策,从而积极有效的缓解郑州市土地资源供需紧张的状况,促进社会经济的快速发展。 相似文献
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土地平整是土地整治项目中的一项重要工作。以河北省魏县大马村乡等两个村土地整治项目为例,结合项目区实际情况,对土地平整进行了设计与工程量计算。结果表明,通过土地平整设计与实施,避免土方量的运出和运入,节约了工程成本,并显著提高了耕作田块的质量。 相似文献
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Alan Cooper 《Landscape and urban planning》1995,31(1-3)
Comparison of the scaled hierarchical structure of a multivariate land classification of Northern Ireland, with land class ordinations based on field-derived land cover, has been made. Land class distribution on the land cover ordination was reflected in the hierarchical structure of the land classification. This correlation contributes to a validation of the land classification as a sample stratification for landscape ecological survey.Land class ordination gave insight into the distribution of ecological resources in the landscape. Upland land classes showed the greatest degree of separation, indicating a greater heterogeneity of land cover compared with the lowlands. The lowland land classes showed much less spatial separation on the ordination, a characteristic that probably relates to agricultural intensification.The distribution of the lowland land classes on the ordination was correlated with climatic, geological and landform gradients. This indicates regional differences in the farmed landscape and demonstrates the value of the land classification for stratifying landscape ecological survey and developing countryside management strategies. 相似文献
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Jean-David Gerber 《Landscape and urban planning》2012,104(2):289-298
We examine land-owning organizations’ choice of strategy for steering spatial development. There are two highly visible strategies to influence land use. The first one, acquisition, is direct; it consists of either gaining outright ownership of the land, or various forms of partial title, including conservation easements. The second one, regulation, is indirect; it relies on the legal instruments of public policy, in particular land use planning, to influence the behavior of landowners. Often linking these two strategies in a coherent way is a challenge. On the one hand, local authorities are empowered by the law to plan for conservation, but they are not well equipped to do so (lack of capacity, expertise, political will). On the other hand, many small conservation NGOs are active at the micro level with little concern for supra-local considerations.Focusing on an important private conservation effort in Southern Quebec, this article seeks to better understand land-owning organizations’ position toward land use planning. It shows how conservation NGOs, which rely on property rights to influence land use, position themselves within the broader regulatory context and attempt to coordinate their action at a regional scale in order to complement their acquisition strategy. 相似文献