In this paper, a new method of error estimate for the generalized difference method of second order elliptic problems on triangle grids is given.
文章给出了三角网格上二阶椭圆问题广义差分方法的一种新的误差估计方法。
In GPS surveying, we usually need to compute closure difference of triangle or polygon, so as to search surveying gross errors and estimate GPS observing precision.
在GPS测量中，往往需要计算三角形、多边形闭合差，以便及时发现观测粗差、衡量GPS观测精度。
The groundwater flow is simulated with the seepage model of heterogeneity isotrope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.
以非均质各向同性渗流模型仿真地下水流，用不规则三角网格有限差分法求解三维数值仿真模型。
There is difference at structure character between the east of anticline and the west of anticline, the reason is triangle zone wedged into different incompetent layer in east and west.
从构造形态上看，昌吉背斜东西两段存在明显差异，三角构造楔前锋楔入不同的构造软弱层，是这种差异形成的根本原因。
The groundwater flow is emulated with the seepage model of heterogeneity anti-isotope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.
本文基于研究区地下水系统概念模型，以非均质各向异性渗流模型仿真裂隙-岩溶水流，用有限元法求数值解。
Reservoir Flood Control; Classified Forecast Dispatching Mode; Risk Analysis; Flood Forecast; Flood Classification; Corresponding Rising Difference Model; Triangle Fuzzy Number; Weather Systems;
水库防洪；分类预报调度方式；风险分析；洪水预报； 洪水分类；相应涨差模型；三角模糊数；天气系统；
Reservoir Flood Control; Classified Forecast Dispatching Mode; Risk Analysis; Flood Forecast; Flood Classification; Corresponding Rising Difference Model; Triangle Fuzzy Number; Weather Systems;
水库防洪；分类预报调度方式；风险分析；洪水预报； 洪水分类；相应涨差模型；三角模糊数；天气系统；
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