To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.
为了在3 - D模型中重现，一架双引擎飞机飞越城市和浓密的树冠，发射并采集从地面，建筑物和其他结构反射回来的激光束。
One Washington D. C. resident, who identified himself as Leonard, survived a harrowing night with his family after a giant tree fell on his home.
一位叫列纳德的住在首都华盛顿的居民说，一颗大树掉到了他们家屋顶上，迫使全家一晚上都没睡好觉。
The thesis analyzes the advantages and drawbacks of the two kinds of algorithms and proposes a mixture model which introduces the feature driven methods (K-D Forest) into vocabulary tree.
本文在分析了两类方法的优缺点后，提出了将特征驱动的方法(K - D森林)引入词汇树模型的混合模型。
This D-S decision tree is a new classification method adapted to the uncertain data.
实验结果表明D- S决策树分类算法能有效的对不确定数据进行分类。
By using binary tree instead of2-D table, the new method can avoid of traversing in whole table to find a matched code, and can speedup lookup pro cess2 ~ 3times.
通过将二维码表转换成二叉树形式，避免了对整个码表的遍历查找过程，使查找速度提高了2 ~3倍。
Insect holes around an old tree. (d) Young trees surrounding a mature tree.
在老树周围的虫洞。(D)环绕成树的幼龄树。
As for case searching algorithms, this paper presents an improved K-D tree algorithm based on the characteristics of XML documents and K-D tree algorithms and implements the algorithm.
根据XML文件的结构特点和K - D树算法提出了改进的K - D树算法作为系统的案例检索的算法并得到了实现。
This D-S decision tree is a new classification method applied to uncertain data and shows good performance and can efficiently avoid combinatorial explosion.
实验结果表明，D - S证据理论决策树分类算法能有效地对不确定数据进行分类，有较好的分类准确度，并能有效避免组合爆炸。
Record of Drought and Flood Series by Tree-Ring Data in the Middle Section of Qilian Mountain Since 904 A. D.
祁连山中部公元904年以来树木年轮记录的旱涝变化。
Mountains of northern Guangdong has natural d-borneol Nengchan plum tree pieces.
粤北山区有能产天然右旋龙脑的梅片树。
The paper studies the application layer multicast networks of MSNs, and presents a heuristic BCT algorithm for Degree-constrained Minimum Diameter Spanning Tree (D-MDST) problem.
研究了由MSN节点组成的应用层组播网络，讨论了度约束最小直径生成树(D - MDST)问题，并给出了求解该问题的BCT算法。
Fig. 1 the 3-d attribute of the photo-tiger shown by the relationship between a tree stem (arrow) and the tiger body in the No. 29 and No. 40 photos.
图1照片虎的3d属性通过29和40号照片中老虎身体与一个树枝(箭头)间的关系显示出来。
In this paper, we first focus on the CAD-based object model construction and then introduce a rule-based method to precompile this geometrical model into a match tree for 3-d object orientation.
集中阐述了基于CAD的物体模型建立过程，并介绍了一种基于规则的将物体几何模型予编译为匹配树的三维物体定位方法。
Based on 3-d reconstruction of coronary arterial tree, a method was proposed to calculate the 3-d values of diameter, length, and branch Angle in 3-d quantitative coronary angiography (QCA).
本文在冠状动脉树三维重建的基础上，研究了冠状动脉的三维定量分析方法，提出血管直径、分支夹角和血管段长度的三维测量方法。
Ohe of the important advantages of representing 2-d shape by binary tree its clear hierarchy.
用二叉树表示二维图形的一个重要优点是层次分明。
In order to implement virtual reality and 4-d expression about a tree using computer technique.
为了利用计算机技术实现林木的虚拟现实，进行四维表达。
D model reconstruction is investigated from 3 orthographic engineering drawings using an iterative-tree method based on neighborhood-topology.
采用基于邻域拓扑的迭代树方法对工程图纸三视图三维重建进行了研究。
D model reconstruction is investigated from 3 orthographic engineering drawings using an iterative-tree method based on neighborhood-topology.
提出一种新颖的基于工程图样理解的三维形体重建方法，设计了完整的算法，并建立了一个原型系统。
D model reconstruction is investigated from 3 orthographic engineering drawings using an iterative-tree method based on neighborhood-topology.
提出一种新颖的基于工程图样理解的三维形体重建方法，设计了完整的算法，并建立了一个原型系统。
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