查询词典 geographic

A transmission line management system based on three-dimension geographic information system.

基于3维地理信息系统的输电线路管理系统。

A transmission line management system based on three-dimension geographic information system.

基于三维地理信息系统的输电线路管理系统。

In the past, the production of maps must follow rigorous mapping specifications. Based on the understanding about geographic phenomena, cartographers applied their domain expertise and experience to ensure the illustration quality of spatial phenomena.

中文摘要以往地图之内容需经过严谨之制作程序，由制图者透过对地理现象的掌控与了解，以本身具有之制图及专业知识、经验进行制图，以确保不同主题空间现象展示的品质。

With the various needs of geographic spatial products in every domain, the confinements of using these pictures supplied in paper are becoming more and more obvious.

随着各行业多方位、多角度地对地理空间产品的需求，这些以纸介质方式提供的图件在使用中的局限性也就越来越明显。

Protection zones of all grades shall be indicated by clear geographic demarcations.

各级保护区应当有明确的地理界线。

ArcGIS Engine is a complete library of embeddable geographic information system components for developers to build custom applications.

ArcGIS Engine 是一组完备的并且打包的嵌入式GIS 组件库，开发人员可用来创建新的或扩展已有的桌面应用程序。

The Geographic Information System theory as a guide, point-set topology theory as basis, this paper uses object-oriented method to study on profile-based three-dimensional topological data model and data structure. By use of computational geometry, GIS, computer graphics images, 3DGM, the construction and dynamic updating methods of 3DGM are researched on the basis of amended OO-Solid data model.

本文以地理信息系统理论为指导，以点集拓扑理论为基础，采用面向对象的方法研究了基于剖面的三维拓扑数据模型和数据结构，采用计算几何、地理信息系统、计算机图形图像学等方法研究了基于修正后的OO-Solid数据模型的三维地质模型构建与动态更新方法。

The Hengduan Mountains have undergone dramatic geological and climatic changes over the Pleistocene. The population structures of animals in this region have been significantly influenced by geographic changes and repeated glacial events during the Pleistocene, especially the last glaciations.

中文摘要：摘要：横断山区地质地貌复杂，历史上经历了剧烈的抬升和循环的冰期，这些地质和气候变化对物种的分化产生了重要的影响。

The National Geographic Society's characteristic logo is a yellow portrait rectangular frame, which identifiably appears on the margins surrounding the front covers of their magazines.

它的地图以庞大的数据库及其结合最新数据以及创新的数字制图技术，始终是许多人收藏的精品。相信国家地理中国地图对学习地理和历史知识的人有相当的帮助！

Since there are some disadvantages, such as magnitudes, reference systems and difficulties in observing an asteroid during its motion in its whole orbit, etc., when the asteroid is observed simply by means of the meridian or photograph methods, a new method for observing asteroids with a lower latitude meridian circle and a CCD measuring device is proposed according to the conditions of the geographic latitude of the Yunnan Observatory which can be used to observe the whole orbit of an asteroid.

考虑到单纯用子午方法或照相方法对小行星进行观测存在着因星等、定标星系统，以及难于在小行星运行全轨道上进行观测等方面的不利因素，在本文中，根据云南天文台能观测小行星全轨道的地理纬度条件，提出利用低纬子午环与CCD测量装置相配合，并利用低纬子午环直接提供的定标星，在一个统一的基本仪器系统中，通过对小行星在全轨道上均匀分布的观测，获得高精度的小行星观测资料，以便得到更准确的星表零点改正。

You think you're a big shot.

你认为你是一个大人物？

All states are equal, and none can receive special treatment from the federal government.

所有的州都是平等的，任何州都不能获得联邦政府的特别待遇。