Firstly, DEM model of this district generated by GIS and TM image was overlapped, and fetch relative data.

首先，运用GIS相关软件生成研究区的DEM模型并与其TM影像进行叠加，提取相关数据。

youdao

Moreover, a new technique for calculating the strain and stress of DEM model has been proposed by using the concept of meshless method.

通过无网格技术，改进了离散元法应变、应力的计算方案，使其能够在连续介质大变形的计算中得到更为准确的应变、应力分布。

youdao

By means of GIS method, the digital elevation model(DEM)is established, the subcatchment boundaries are studied.

利用 GIS 方法建立了数字高程模型（DEM），研究了子汇水面积的边界。

youdao

This digital elevation model (DEM) will be put to myriad uses - everything from improving the safety of aircraft navigation to understanding better which areas of ground are most at risk during a flood.

BBC: German radar satellites fly tight space waltz

Lib Dem leader Nick Clegg has said the economic model of recent decades - focused on the City and the south-east of England - had collapsed and it would take a generation to build something new.

BBC: Lib Dem conference: Cable likens economic crisis to war

What Syriza shares with the Dem Left and Pasok is its commitment to the EU social model: they are left globalists.

BBC: Greece: Trying to understand Syriza