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- digital line signaling 数字线路信令方式
- Interoffice junction digital line signalling system for telephone automatic switching network 电话自动交换网局间中继数字型线路信号方式
- A specific means that provides digital line sections. 一种提供数字线路段的专门手段。
- Physical failures are indicated by loss of line signals. 物理失效是由丢失行信号来表示的。
- These data are stored in the space database, which is the digital Line model (DLM) of real world. 这些数据存储在空间数据库中,成为现实地理世界的数字线化模型(DLM)。
- ISDN is used on digital lines as well as on voice-grade lines. 整合服务数位网路在数位线路上被使用就如同在声音等级的线路上。
- Combining production practise, This article introduces the total process to make large scale digital line topographic map by means of digital photogrammetric workstation( DPW). 结合生产实例介绍了利用数字摄影测量工作站DPW测制大比例尺数字线划图的全过程,并分析了数字线划图所能达到的实际精度。
- This dissertation first selects satellite remote sensing image which can be used in the country 1:50000 DLG(Digital Line Graph) data producing. 本文首先选取了能用于国家1:5万DLG数据生产的卫星遥感影像。
- A line signal sent forward to indicate that address signals are about to is transmitted. 一种转发的线路信号,用来表示地址信号即将被传输。
- Digital Line Graphic (DLG) which is the most fundamental and important information carrier, enlarged its production scale rappedly. DLG是支撑地理信息系统的主要数据,其数据质量好坏直接关系到信息系统运营效果。
- Abstract: Digital raster graphic (DRG) and digital line graphic (DLG) are two digital maps that can be taken cheaply, and DLG is a commonest data format now, it is the main data source of GIS. 文章摘要: 数字栅格图和数字线划图是可以低成本获取的两种数字地图,而DLG是目前最普遍的矢量数据格式,是GIS的主要数据来源。
- In this paper, a technical framework of 3D change detection based on existing Digital Elevation Model (DEM), Digital Ortho image (DOM), Digital Line Graph (DLG) and new stereo imagery is presented. 摘要本文提出了利用空间数据库中已有的DEM、DOM、DLG和新影像进行三维变化检测,在此基础上提取二维变化信息的技术框架。
- Digital raster graphic(DRG) and digital line graphic(DLG) are two digital maps that can be taken cheaply, and DLG is a commonest data format now, it is the main data source of GIS. 数字栅格图和数字线划图是可以低成本获取的两种数字地图,而DLG是目前最普遍的矢量数据格式,是GIS的主要数据来源。
- LSSC Line Signal Sender Connector 线路信号发送器链接口
- We will build the roads and bridges, the electric grids and digital lines that feed our commerce and bind us together. 我们将建造道路和桥梁,铺设电网和数字线路,为商业提供便利并将人们紧密联系起来。
- We will build the roads and bridges, the electric grids and digital lines that p feed our commerce and bind us together. 我们将造桥铺路,为企业兴建电力网格与数位线路,将我们联系在一起。
- A method of extracting high quality clocks from SDH line signal 一种从SDH线路信号中提取高质量时钟的方法
- View on the Development of Digital Line Protection 数字式线路保护发展的认识
- DSS2 Digital Subscriber Signaling system No. 2号数字用户信令系统。
- Drawing of Digital Line Graphic Based on DMS 基于DMS的数字线划地图的绘制