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- On the basis of raster DEM data in the Baohe River basin, this paper presents an application of DEDNM to generate drainage network automatically, build digital basin, and extract drainage network to establish the topological river network structure. 本文基于褒河流域栅格数字高程模型DEM(Digital Elevation Model)数据,采用数字高程水系模型DEDNM(Digital Elevation Drainage Network Model),自动生成河网,构建数字流域,提取流域水系信息,建立流域水系空间拓扑关系。
- river networks structure 河网结构
- Fourth, gradual optimization of highway network structure. 四是路网结构逐步优化。
- Wuhu Municipal Planning Committee Anhui New Yangtze River Network Economy Development Co., Ltd. 芜湖市计委安徽新长江网络经济发展有限公司。
- Yangtze River Network銆?銆恏earing sauna sky, cool weather, the decoration began to "heat up". 桑拿天一过,天气凉爽了,装修也开始“热”起来。
- Adopting IPN techniques to recombine PVA and water glass, shaped size of interpenetrating networks structure. 采用IPN技术对PVA和水玻璃进行复合,形成互穿网络结构胶。
- They more closely resemble river networks in desert areas, which are fed by water that slowly seeps from subterranean sources. 这些小溪流通常发源于陡峭山壁环绕的冰围地,而不是极细小的支流。
- The change of internal hydrodynamics of the river networks also induces the saline intrusion problem happened in the recent years. 珠江三角洲航道网内部水流动力条件的变化,亦是近年来珠江三角洲咸灾频发的主要诱因之一。
- Secondly, ARS is used to reduct the neurons in input layer and hidden layer for optimizing BP Neural Network structure. 其次,在属性约简策略ARS基础上优化BP网络结构,约简BP网络结构输入层和隐层单元。
- DCS has multiple step network structure, FCS belongs to distributed control structure. DCS属多级分层网络结构,FCS为分散控制结构。
- In wireless network structure, Access Point(AP) has its own important function in wireless security defence. 无线网络中,无线接入点AP作为网络第一层安全防护起着举足轻重的作用,通过对AP的安全设计,可以进一步提高无线网络的安全性。
- It is found that the flow in river network oscillates to and fro due to the action of tide and remarkably affects the transport process of pollutant. 分析结果发现,潮汐作用造成河流内水流往复震荡,对污染物的迁移过程影响较大;
- The heterogeneity of scale-free network topology is studied using network structure entropy (NSE). 摘要利用网络结构熵定量分析了无标度网络拓扑结构的非均匀性。
- At first, plain river network region and its hydrologic characteristics and the current situation of design water research are elaborated. 论文首先阐述了平原河网地区及其水文特性,以及该地区设计水位计算的研究现状。
- Theoretically, the realization of ARTC includes such issues: 1.Propose an dual redundant bus network structure. 并从理论的角度分析和讨论了下面几个问题:(1)ARTC的双冗余总线网络系统结构。
- The WWF called for efforts to ensure the new species are protected, by preserving their habitat and the river networks that are a foundation of the region's ecosystem. 这些发现已经被发表在同行审议期刊,世界野生动物基金只是为宣传编辑了这一调查结果,否则它说的可能被忽视。
- The Web-Based EMIS is based on the gradual perfection of the network system in the campus and network structure. 网络教学管理信息系统是以校园网络体系及网络结构的逐渐完善为前提,采用合理的数据库管理系统(通常使用关系型数据库管理系统)和流行的B/S网络计算模式建立起来的管理软件系统。
- The scheme determined the node number of the networks automatically and resulted in an optimal network structure under BIC rule. 该算法权衡网络的规模和精度两方面因素,自动地确定网络的节点数目,可以得到在BIC准则下最优的小波神经网络。
- River network and related watershed information directly derived from DEM, is the basis of development and application of distributed hydrological models. 从数字高程模型(Digital Elevation Models)直接提取河网及相关流域信息,是分布式水文模型开发与应用的基础。
- Its appearance for many monofilament fibers from each other cross-linked network structure. 其外观为多根纤维单丝相互交连而成的网状结构。