查询词典 geo-science

A regular contributor to National Geographic and GEO Magazines, he has explored subjects ranging from the remotest stretches of Arabia's Empty Quarter to the unknown tree people of Irian Jaya.

他经常为美国国家地理杂志和展望，他探索的课题，从沙特阿拉伯的空季延伸至最边远的伊里安查亚不明树人不等。

Based on the analysis of the architecture and characteristics of the GEO/MEO TDRSS for China, two system schemes are given.

在分析了我国可采用的静止轨道和中轨道跟踪与数据中继卫星系统的系统结构和特点的基础上，给出了2 个系统方案。

Based on the analysis of the architecture and characteristics of the GEO/MEO TDRSS for China, two system schemes are given.

中文摘要：在分析了我国可采用的静止轨道和中轨道跟踪与数据中继卫星系统的系统结构和特点的基础上，给出了2 个系统方案。

A review with 24 references is given on the research results of relations between low selenium and cervical cancer and other factors in recent years, which would provide information for disclosing the geo-epidemiological characters, physiological, biochemical changes and nosogenesis and prevention of cervical cancer.

近年来低硒与宫颈癌的关系及其相关因素的研究，为揭示宫颈癌的地理流行病学特征、生理生化改变及其致癌机理和防治研究提供了信息。

In order to fully refect the geo-tech basic mechanics behaviors and to rationally explain the strain localization, this paper establishes the theory framework of gradient-dependent plastic model based on the theory framework of gradient-dependent plastic mechanics and in considering the plastic strain's gradient-dependence in double yield function, offers a kind of possible concrete pattern of the generalized plas...

为了较全面地反映岩土的基本力学性质，同时合理解释应变局部化现象，本文基于广义塑性力学的理论框架，在双重屈服函数中考虑了塑性应变的梯度依赖，建立了广义塑性梯度模型的理论框架，并给出了广义塑性梯度模型的一种可能的具体形式，分析了该模型的各个模型参数，尤其是其中的&局部化参数&的物理意义和可能对其产生影响的因素。

The Ikonos data and the QuickBird data identified every rice land aquatic habitat by village and strata. Ikonos and QuickBird visible and NIR data of geo-referenced riceland An. arabiensis aquatic habitats can develop and implement an Integrated Vector Management program based on larval productivity.

因此，可根据QuickBird 0.6 m卫星数据的土地利用和覆盖指数和阿拉伯按蚊滋生点幼虫的增殖特性，在当地建立和应用媒介综合防治系统(IVM-Integrated Vector Management)。

From overburden layer s,semipervious layers above depression-cone level drainage consolidation,porous media(geo-formation) compression and water compression,the ground settlement mechanism is analysed during foundation pit dewatering.

从降落漏斗水位以上覆盖层、弱透水层的排水固结过程到多孔介质的压缩、水的压缩三方面分析了深井降水引起地面沉降的机理，得出降水引起地面沉降的压缩层厚度主要为降落漏斗水位以上降深范围内的覆盖层和弱透水层厚度的结论。

The spatial variability of soil salt content, electrical conductivity, pH and sodium adsorption ratio was analyzed by using traditional statistics and geo-statistics in a typical degraded wetland of saline sodic soils.

以苏打盐渍土区典型退化湿地为研究区，运用经典统计学和地统计学相结合的方法研究了退化湿地盐碱化指标：土壤电导率、盐分含量、pH和钠吸附比的空间变异特征，绘制了4种指标的空间分布图。

The site, which is available in both French and English versions, also provides a sortable dataset list and links to the UNEP GEO collaborating centers and data providers.

网站有英语和法语两个版本，提供经过排序的数据集列表，并提供UNEP GEO合作中心和数据提供者的网络连接。

For more exact modeling population distribution condition and more expressly reflecting population spatial pattern in urban region,with the fifth census data of Shenyang City,in this paper we spatialize population data by using grid calculating,model population distribution by using Geo\|statistics,identify population pattern by using DEM models and analyze characters of population distribution.

为准确地模拟城市人口分布，清晰地反映城市人口分布格局，本文利用沈阳市第五次人口普查资料，采用网格计算方法空间化人口数据、地统计学的空间插值方法模拟人口分布。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。