查询词典 terrain

In addition,dynamical management of terrain dataset in view field was implemented effectively by visible detection based on the simplified view frustum and terrain data prediction strategy.

此外，简化视见体的可见性判断和数据预取策略，实现可见数据的动态管理。

With the new features of computer graphics hardware,the computation of terrain visualization has been not only due to the CPU,but also due to the GPU. Therefore,on the reference of Texture Clipmap the dissertation studies and realizes the Geometry Clipmap algorithm proposed by Hoppe in order to deal with large scale terrain.

5针对目前计算机图形硬件技术发展迅速的特点，地形显示计算并不一定完全都由计算机CPU来承担，GPU也能承担相当部分的显示计算任务。

First chapter is the summary, mainly introduced the project basic survey; Second chapter for the dam site hydrology characteristic, introduced the Hubei -01 key project in the basin specially is nearby the dam site hydrometeorology survey; Third chapter for the key position and the storehouse district terrain geology condition, introduced explained the dam site specially is nearby the dam spool thread terrain geology condition; Fourth chapter for the key position building shaping and the hydrology computation, including determined key position the project rank, the building shaping, adjusts Hong to calculate, blows off the bottom hole cross section size drawing up with initially to draw up the key position scheme of arrangement; Fifth chapter draws up for the size with the dam body arrangement, including the shaping, the Liang section plane determination, the dam body dam base guards against infiltrates the draining water facility the arrangement and the dam body plane arrangement and the stress stable analysis computation; Sixth chapter for the flood discharge design, mainly is the top of dam detailing and the downriver disappears can design; Seventh chapter for blows off the building the design, mainly is to imports the building the detailing strobe arrangement and Kong Shen and the exportation disappears can the design; Eighth chapter pilots the system and the power plant workshop design for the power plant, mainly is directs the system and the power plant workshop design to the power plant; Ninth chapter is ground processing, including ground excavating, the cleaning up, solidifies the grouting, the curtain is in the milk and all that some processing measure.

第一章为综述，主要介绍了工程的基本概况；第二章为坝址水文特性，介绍了鄂-01枢纽工程所在流域特别是坝址附近的水文气象概况；第三章为枢纽及库区地形地质条件，介绍说明了坝址特别是坝轴线附近的地形地质条件；第四章为枢纽建筑物的选型及水文计算，包括确定枢纽的工程等级，建筑物选型，调洪演算，放空底孔断面尺寸的拟定和初步拟定枢纽布置方案；第五章为拱坝尺寸拟定和坝体布置，包括拱坝的选型、拱冠梁剖面的确定、坝体坝基防渗排水设施的布置及坝体的平面布置和应力稳定分析计算；第六章为泄洪的设计，主要是坝顶的细部设计和下游消能设计；第七章为放空建筑物的设计，主要是对进口建筑物的细部设计闸门布置及孔身和出口消能的设计；第八章为电站引水系统及电站厂房设计，主要是对电站引系统和电站厂房的设计；第九章为地基处理，包括地基的开挖，清理，固结灌浆，帷幕灌浆以及其他一些处理措施。

Lingshan scenic spot of the terrain Buddha like a small lingshan upholstery back, left, right, qinglongshan QingFeng on wuhushan white north and embrace hill, beauty of taihu lake, a Yi locats water, this kind of traditional feng shui theoretically called "eight wind motionless, the" golden lotus sitting for land, the terrain is kept this auspicious reiki, so made big screens to collect the gas, but also through the content on the screens leads visitors into lingshan buddhist culture history in the world.

灵山大佛景区的整个地形尤如一张太师椅，背靠小灵山，左边青龙山，右边白虎山，北踏青峰，尽揽山形之美，南望太湖，一挹水色之秀，这种传统风水理论上称为"八风吹不动，端坐紫金莲"的地形是大吉之地，为保存这吉祥的灵气，所以造大照壁来收气，同时也通过照壁上的内容引领游客走进灵山的佛教文化历史世界。

The probability density functions of scintillation for the terrain, the sea surface and the forest, the two scattering terrain model was obtained, in which the probability integral is made by the method of steepest descent.

分析中采用最速下降法处理概率积分，获得了与岩石、海洋和森林二大类地物散射体对应的闪烁概率密度函数。

Now it will search only twice as far along the flat terrain as along mountainous terrain.

这是因为有可能有一条沿着平原到山地的路径。

Based on the study of triangle mesh of creation algorithm, include the arithmetic of regular data make triangle mesh and irregular data make triangle mash. The paper put forward a optimized triangle mesh algorithm. Its key point is divide data into pieces in advance, then set up the net. The experiment result shows that this algorithm improves not only the efficiency of terrain molding, but also the precision compared with the old algorithms The main purposes of this paper are research visualization algorithm of three dimensions and the arithmetic of terrain visualization.

本文研究了基于三角形网格的地形建模的基本理论和方法，包括规则数据的三角网生成以及不规则三角网 TIN 的生成算法，总结了前人在这些方面所做的工作，本文提出了一种优化的三角网格生成算法，实验结果表明，该算法不仅提高了地形建模的效率，而且所生成的三角网格模型与以往算法相比精确性也有很大的提高。

In order to empolder ocean resources and instruct engineering construction, this thesis synthetically analyzed regional geology, terrain, deposit sediments, hydrology, and sediments of coral reefs, have systemically studied the mechanical characteristics of calcareous sand and coral reef through indoor tests. 1. Many factors including regional engineering geology environment, hydrodynamic environment, terrain, physiognomy have been studied to evaluate their influence to coral reef engineering. It's considered that atoll reefs and table reefs are suitable for engineering construction and the reef flat on atolls is most perfect.

为了开发海洋资源，指导珊瑚礁工程建设，本文综合分析了南沙群岛区域工程地质特征、珊瑚礁地形地貌、海洋水动力环境、沉积物特征等资料，从工程地质角度对珊瑚礁各地貌单元的工程适宜性进行了评价，对礁灰岩和钙质砂进行了室内试验分析，主要研究内容和结论如下： 1、分析了珊瑚礁的区域工程地质环境、海洋水动力条件、地形地貌特征、岩土体条件等因素对岛礁工程建设的影响，对珊瑚礁的礁体类型进行了划分，结论认为可干出的环礁和台礁比较适合各类工程建设，其中环礁的礁坪是理想的工程建设场所。

It is obvious that this ductile shear zone is the direct tectonic boundary of between Qiongzhong terrain and Sanya terrain.

这条韧性剪切带无疑是琼中地体与三亚地体对接带的直接构造记录。

A terrains sloe and direction may be computed relative to a plane though the elevation model points. Slope degrees and direction are useful in simulations of precipitation runoff and in defining drainage areas . The triangle terrain model, which comprises sloping triangular surface, is ideal for simulating terrain surface conditions .

坡面和坡面方向是可以藉由三角形的三个角的座标来计算出来，坡度通常是用度数或者百分比的关系来表达和水平之间的关系，坡度方向度数的表示几乎是从北边开始。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。