...．0；流域特征；自动提取；三川河流域 [gap=1126]Key words：DEM；ArcGIS 10．0；basin characteristics；automated extraction；Sanchuan River Basin ...
基于10个网页-相关网页
semi-automated extraction 半自动提取
Automated Sohlet Extraction 自动索氏萃取
Automated Solid-Phase Extraction Clean-up 自动固相提取净化
Agilent Automated Card Extraction 安捷伦全自动卡片提取
automated information extraction 自动信息提取
Automated Solid Phase Extraction 自动固相萃取
The principles, methods and process of automated extraction of natural stream networks of watershed based on raster DEM are described.
论述了如何基于栅格dem自动提取流域自然水系的原理、方法和流程。
For the building shadow in downtown area, it adopts the Shadow Automated Extraction Method of IKONOS Images Based on Image Fusion to extract and the Lamber model to rectify;
对城区建筑物阴影，采用基于影像融合的IKONOS影像阴影自动提取方法对阴影进行提取，再采用郎伯模型进行校正；
One advantage of list-based extraction is that the word lists often come from trusted sources, which means its creation and maintenance can be automated to a certain degree.
基于列表的提取的优点是，词汇列表常常来自可信的源，这意味着它的创建和维护可以实现一定程度的自动化。
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