1) the platform of digital basin
数字流域平台
1.
On the platform of digital basin derived from raster DEM data, - a grid-based hydrological model and a subcatchment-based hydrological model were used to study the effects of spatial variability on runoff process on such aspects as precipitation, model parameter.
在构建的数字流域平台基础上,建立分别基于子流域离散和栅格离散的数字水文模型,从而分析研究降水、模型参数和土壤蒸发的空间不均匀性对模拟水文过程的影响。
2) digital platform
数字平台
1.
The mathematic model for a Pseudolite(PL) receiver based on software defined radio(SDR) is presented,and two schemes for realizing the digital platform are proposed which are DDS+DSP and FPGA+DSP.
提出了基于软件无线电的伪卫星接收机的数学模型和数字平台实现的两种方案:DDC+DSP方案和FPGA+DSP方案。
2.
This text proposes the design on digital platform of PL receiver.
本文提出了基于软件无线电思想的伪卫星接收机数字平台设计方案,给出了3种硬件实现方式:基于DSP的数字平台实现;基于FP-GA的数字平台实现;基于ACM的数字平台实现。
3) digital river basin
数字流域
1.
Connotation and framework of digital river basin
数字流域的内涵和框架探讨
2.
The construction of digital river basin is up-to-date trend and technology in the management of water resources.
数字流域是我国流域管理的发展方向,是流域现代化管理的重要技术手段。
3.
Digital hydrological model is an advanced digital river basin model,whose successful application will be of great importance to the flood-forecast in Zhexi reservoir.
数字水文模型是一种先进的数字流域模型,它在柘溪水库的成功应用,将为柘溪水库的洪水预报发挥重大作用。
4) digital valley
数字流域
1.
On the construction of research platform of digital valley;
数字流域研究平台建设雏议
2.
Study of system analysis and integration based on digital valley;
面向数字流域的系统分析与集成技术研究
3.
Feasibility study on development of digital valley by component technology;
应用组件技术开发数字流域的可行性分析
5) digital basin
数字流域
1.
Hydrological processes modeling based on digital basin;
基于数字流域的水文过程模拟研究
2.
Research & realization on data shared of "digital basin;
“数字流域”中数据共享机制研究与实现
3.
Information sharing services under digital basin environment
数字流域环境下信息共享服务研究
6) digital watershed
数字流域
1.
The role of GPS technology on constructing digital watershed;
GPS技术在数字流域建设中的作用
2.
Based on X3D standard in this paper,3D scenes of digital watershed are modeled, and a simple mono simulation system is designed and redlized to adapt the extension of digital watershed on Web.
基于 X3 D构建了数字流域三维场景 ,并在此基础上设计并实现了一个网上仿真系统原型 ,以适应数字流域在 Web上扩展的需要。
3.
Supported by the theory of digital watershed,statistic software SPSS was used to assess the land quality by the methods of principal component and clustering analysis.
以“数字流域”为平台,采用SPSS统计软件,利用主成分分析和聚类分析方法进行了流域土地质量等级评价。
补充资料:半潜式钻井平台
一种海上钻井装置。上部为工作甲板,下部为两个下船体,用支撑立柱连接。工作时下船体潜入水中,甲板处于水上安全高度,水线面积小、波浪影响小、稳定性好、自持力强、工作水深大。半潜式平台用锚和钢丝绳定位,工作水深为180m左右;用锚和链结合定位,工作水深可提高到450m。新发展的动力定位技术用于半潜式平台后,工作水深可达900~1200m,定位精度在1~2%水深的半径范围内。半潜式与自升式钻井平台相比,优点是工作水深大,移动灵活;缺点是投资大,维持费用高,要有一套复杂的水下器具,有效使用率低于自升式。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条