查询词典 lod

In this paper, some techniques in Virtual Reality, such as LOD Technique of 3-dimension terrain, frustum culling of 3-dimension terrain, levels of detail model, particles, dynamic texture and bump texture, were deeply researched, and some algorithms and methods are proposed by author. At the same time, some original problems, for example the analysis of rooms irradiation, the alarm of emergencies, quick drawing performed by display card and frustum-culling of models, are also involved in the research.

本课题对虚拟现实中的一些技术如：地形LOD技术、地形的视域裁减技术、多层次细节模型、粒子系统、动态纹理和凹凸纹理等进行了较深入的研究，提出了一些独特的算法和解决方案，并且讨论了建筑物房间的着光分析、绘制场景的硬件加速和景物的视见体裁减等一些较新颖的问题。

The results obtained in the paper supply not only a new approach for evaluating the accuracy of LoD model but also a science base for selecting feasible resolution of simplify DEM.

研究成果为评价LoD模型精度提供新的方法，也为简化DEM模型时选择适宜的分辨率提供科学依据。

For different methods (moment solution and maximum likelihood estimation) and different models (homoscedastic and heteroscedastic models),more signifiant correlation was found between LOD scores than between the estimators of recombinant fraction ,Maximum likekihood method under homoscedastic model was then used to estimate recombinant fractions between quantitative trait lci controlling yield componments and 51 restriction fragment length polymorphism makers on 11 chromosomes of rice Oryza sativa L.

本研究根据对估计标记-数量性状基因座位之间重组率的两种分析方法、两种方差模型(QTL 基因型之间的方差同质和异质模型)的分析，揭示了LOD值在标记-QTL连锁检测上所得结果的相关性高于重组率估计值的相关性。

This paper's major pur pose is the LOD algorithm , So so me problem such as

本文主要的目的是实现 LOD 算法，所以其它的一些问题如几何形变

This article does not LOD for research, but given quadtree traversal of the establishment and mapping method.

本文并没有对LOD作研究，只是给出了四叉树的建立和遍历绘图的方法。

The method is applied in this paper, which introduces theory of LOD technology and algorithm realization.

文中还讲述了LOD技术的原理以及算法实现，探讨了LOD算法的实现中的问题和改进的方法，研究了节点评价系统的改进方法，最后展望了LOD技术的进一步发展。

LOD models can be classified as discrete, progressive, and continuous LOD models.

可以被分成离散的、累进的、连续的LOD模型。

B An improved algorithm based on projected area criterion is proposed to improve the efficiency in LOD processing.

b提出面积投影LOD算法，在保持较高逼真度和输出图形显示速度的前提下，使LOD生成速度得到了较大的提高。

This study recruited 8 OI I pedigrees (including a very large OI I kindred comprising 132 members, in which 43 are patients) and 402 nuclear families of health subjects (consisting of 1,263 subjects, and each familycontains at least one female offspring aged 20-45) in Chinese Han population. 1 By performing linkage analysis in the large OII kindred to the COLlAl and COL1A2 genes. Negative LOD score of-8.50 at 9 = 0.001 was observed for the COL1A2 gene, while positive LOD score of 2.31 at 0 = 0.001 was found for the COLlAl gene.

本研究在中国汉族人群中征集了8个Ⅰ型成骨不全家系(其中包括一个拥有132个成员、43个患者的大家系)和402个正常人群的核心家系(共1，263个个体，每一个家系至少含有一个20～45岁的女性子代)。1通过在大的Ⅰ型成骨不全家系中对COL1A1基因和COL1A2基因进行连锁分析，当θ=0.001时，在COL1A1基因处检测到的LOD值为2.31，而在COL1A2基因处检测到的LOD值为-8.50。

Moreover, the prototype provides multi-levels simplification to create LOD models according to users' conditions, such as hardware, system configuration, for scarifying their requirements. It facilitates creating LOD models of complex building in Virtual Geographic Environments.

通过提供多种参数选择，该原型系统不仅能够按照用户指定的感知简化策略执行各种不同等级的模型简化，创建出满足用户需要的简化模型，而且可以按照用户指定的简化阈值进行简化，为虚拟地理环境建设中的复杂建筑物LOD建模提供了一种新工具。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。