三维地形模拟技术是当前计算机绘图领域中研究的重点之一。
The 3d terrain simulation technique is one of important research issues in the computer graphics.
摘 要：三维地形模拟一直是虚拟现实、地理信息系统（GIS）等领域的研究热点。
Absrtact: 3D terrain simulation is always a hot topic in geographic information system(GIS), virtual reality and so on.
然后提出并实现面向土地利用规划的电子沙盘制作的技术方案，详细介绍了数据处理、地形模拟与要素匹配等关键技术。
The key technique of the technical scheme for electronic sand table, such as data processing, terrain modeling, feature matching, is introduced in details in this paper.
更困难的第二个级别，要求飞行180秒，接着在遍布岩石和陨石坑的模拟月球地形上降落。
The more difficult second level requires a flight of 180 seconds followed by a landing on simulated lunar terrain, complete with rocks and craters.
模拟器将模拟地形条件，障碍，各种气候，白天和黑夜和打击的条件。
The trainer simulates terrain conditions, obstacles, various climates, and day and night combat conditions.
“由于陆地形状的原因，整个系统变得非常，非常复杂，这让模拟印度洋上大气中的风向规律变化真的很有挑战性，”Han称。
“It has been really challenging to simulate atmospheric wind-pattern change over the Indian Ocean because the system is very, very complicated because of the land,” Han said.
“由于陆地形状的原因，整个系统变得非常，非常复杂，这让模拟印度洋上大气中的风向规律变化真的很有挑战性，”Han称。
"It has been really challenging to simulate atmospheric wind-pattern change over the Indian Ocean because the system is very, very complicated because of the land," han said.
最终打造成了一个多用途，非对称的阅读平台，欲以模拟蒙特雷的地形。
The result is a multi-purpose, asymmetrical reading platform meant to simulate Monterrey's mountainous topography.
由对数值模拟与试验的结果分析得出：（1）青藏高原地形有利于高原东麓暴雨区的扩大与强度加大。
Some results are obtained as follows: (1) The heavy rain area is expanded and heavy rain is enhanced by plateau terrain in the east of plateau.
然后使用偏蓝的白来增加一些细微的差异，从而模拟起伏的地形。
Then using the blueish color I added nuances to simulate an undulating look.
山坡地形影响设计，并且启发三层楼的规划方法，用于模拟山坡的自然形状。
The hillside topography impacted the design and inspired a three-level planning approach used to mimic the natural form of the hillside.
他们模拟了敌人的兵力，地形，天候，等情况。
而对地形在虚拟场景中的高度真实感的模拟，更是受到广大研究工作者的重视。
More and more researchers pay attention to simulate the high third dimension terrain in the virtual scene.
“住宅将周围景观与几何形状相结合，模拟地形却又与自然形成的岩石层不同”。
The residence is integrated into the surrounding landscape with a geometric appearance that mimics the terrain and sudden deviations of natural rock formations.
通过模拟试验对比，以检验地形，感热，潜热对海面风风速、风向的强迫作用。
By contrasting these simulative results, the experiments check up the forcing of heat flux and complex terrain to sea surface wind.
最后利用ARPS模式对地形参数的变化进行了敏感性试验，模拟结果与理论结果相吻合。
Then, the sensitivity tests were performed to examine the change of topographic parameters by the ARPS model, which are consistent with theoretical results.
利用修改的Mass模式和辽宁地区的地形资料，模拟了地形加热作用对辽宁地区近地层风场日变化的影响。
Using the modified MASS model and terrain data of Liaoning, the effect of terrain on diurnal variation of the wind field in the ground layer is simulated.
通过模拟桥址地形的风洞试验，确定桥梁设计基准风速和相关的风特性参数，使得到的风速真正反映桥址处风的实际状况。
The design reference wind speed and related wind characteristic parameters of the bridge are derived from the wind tunnel test of a terrain model of the bridge site.
利用改进的边界层模式，对平坦地形条件下的非定常边界层风温场进行了数值模拟。
Using the improved boundary layer model, under horizontal homogeneous geographical conditions, the nonconstant wind and temperature fields have been simulated numerically.
此算法成功地运用在地形、地貌的模拟上。
This algorithm has been successfully applied to the simulation of landforms.
将地形作为模拟模型具体考虑的一个因素，对重新分类的气候区进行二次植被模拟。
Then, it simulates the types of desert vegetation in the reclassified climatic zones with landform as a factor once again.
TOPMODEL模型是以地形为基础的半分布式流域水文模型，被广泛地应用于流域水文模拟中。
TOPMODEL model is a semi-distributed physically watershed hydrological model based on geography, and it has been applied in many hydrological modeling problems.
由于煤炭开采而形成的塌陷区地形形态复杂，本文利用分形插值理论模拟了塌陷区地形。
The terrain in the subsided area generated by mining is complicated, in this paper, we apply fractal interpolation to simulate the fractal terrain in the subsided area.
并以模拟坦克驾驶训练为例，论述了地形划分，分块地形数据的装入和预处理，碰撞检测，地形匹配及其算法。
Taking simulating the tank-drive training for example, terrain division, loading and pretreatment of terrain data, collision test and the algorithm of terrain match was discussed.
在研究基于规则格网数据地形特征提取过程中，本人先后介绍了断面极值法和流水模拟法。
In the study of the method for extracting topographic patterns based on Grid data, the author introduces the terrain profile analysis method and the falling water simulations method.
在研究基于规则格网数据地形特征提取过程中，主要有断面极值法和流水模拟法。
In the study of the method for extracting topographic patterns based on Grid data, including the terrain profile analysis method and the falling water simulations method.
模拟在测绘过程中被忽略的地形细节对逼真地形重建来说是十分重要的。
To model the lost small terrain details during surveying and mapping is very important to realistic terrain reconstruction.
模拟在测绘过程中被忽略的地形细节对逼真地形重建来说是十分重要的。
To model the lost small terrain details during surveying and mapping is very important to realistic terrain reconstruction.
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