• The gravity model is used for studying the mortality rate dynamics between two related but different sized population groups.

    死亡率引力模型研究两个相关暴露数规模不同人群动态死亡率模型。

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  • The density model in this depth is very much useful in the establishment of initial model and density space constraint for gravity modeling.

    建立一深度空间内密度模型利用重力场建模提供初始模型密度空间约束

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  • The paper puts forward an improved method on the basis of gravity model to forecast the od freight volume of railway luggage and parcel transportation.

    铁路行包od运量预测提出一种基于重力模型改进方法

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  • The gravity model approach to international trade proves to be effective in the quantitative study of the geographical factors influencing bilateral trade.

    国际贸易重力模型方法量化研究双边贸易中的地理因素非常成功

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  • Gravity model is a good tool to explain the direction and flow of bilateral trade, and has gained success on the empirical research in international trade.

    引力模型作为解释双边贸易流向流量问题有力的分析工具已经国际贸易实证研究中获得了相当成功

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  • By using the EGM96 model and the simulated improved gravity model after GOCE mission for gravity compensation, the accuracy of INS is analysed respectively.

    分析了分别采用现有重力场模型EGM96实施GOCE任务改进重力场模型进行重力补偿导系统所能达到定位精度

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  • The four stage method and a double gravity model were used to forecast the OD(origin-destination) distribution of air traffic flow in the whole airspace of China.

    基于四阶段采用双重模型预测全国空域交通流量OD分布

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  • On the other hand, the precision gravity model is important guarantees for obtaining high precision orbiting results using the dynamic or reduced-dynamic orbit determination method.

    低轨重力卫星轨道精确确定获得精密地球重力场模型的前提,而精密重力场模型又是获得高精度定结果保证

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  • The research via gravity model shows that the system quality of each country will impact bilateral trade effectively, and the trade flow is large between the countries with similar systems.

    通过应用引力模型研究发现各国制度优劣双边贸易显著的影响制度相似国家贸易量较大

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  • The recovery of the lunar gravity field model depends on the tracking observation of lunar detectors, the highest lunar gravity model order is connected with denseness of the tracking data.

    月球重力场恢复依赖于对绕球探测器跟踪观测,可恢复重力场模型最高次与观测数据分布密集程度之间满足一定的关系

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  • This paper makes a comprehensive and systematic study of the establishment of the earth's ellipsoidal gravity model and the solution of the boundary value problem under ellipsoidal boundary.

    本文全面系统研究地球重力场椭球模型建立问题在椭球界面求解情况。

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  • We found that the gravity model improved the modeling method for the future mortality of our country, and provided a more accurate forecast for the future mortality rate of China's population.

    研究发现,引力模型改进了我国人口未来死亡率建模方法提供了准确预测

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  • Gravity model is used to analyze the data of 30 main import countries of wood furniture from China from 2005 to 2006, and the effect of economic scale and distance on Chinese wood export is analyzed.

    应用引力模型,以2005-2006年中国主要30木质家具出口国为研究对象,分析经济规模地理距离中国木质家具出口影响

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  • The Higgs is the missing piece in the Standard Model, a 40-year-old mathematical framework that links all the known particles and all of the fundamental forces of nature except for gravity.

    已经有40年历史标准模型能将所有已知粒子除了重力之外所有自然力联系起来,这个数学框架缺少那一块便是希格斯玻色子

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  • Bojowald found he had to create a new mathematical model to use with the theory of Loop Quantum Gravity in order to explore the universe before the Big Bounce with more precision.

    波究瓦德发现必须创建一个新的数学模式使用循环量子引力理论以便更加精确探究弹跳之前宇宙

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  • He has also managed to derive Newtonian gravity from the model: however, general relativity has not yet emerged.

    成功这一模型中获得牛顿引力但是广义相对论未出现。

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  • The nearest thing they have to this-the Standard Model of particle physics-is messy in places and partial, because it omits gravity.

    目前接近出戏粒子物理的“标准模型”-由于没有引力参加显得颇为邋遢

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  • The stubbornness of the standard model has been too much for some physicists, however, leading to new theories that include gravity and work at extremely high energies.

    这个标准模型棘手之处在于,它某些物理学家们来说太了,不管怎样,它导致包含极高能量重力工作的理论们。

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  • The blog idea served as the center of gravity for the new model, and other audience channels were connected to create an experimental new "ecosystem."

    创建博客想法成为了这一新模式重心,此外,我们还将其他受众渠道连接起来,建立一个实验性"生态系统"。

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  • It is the missing piece of the Standard Model, a theory which links all the particles and forces of nature bar gravity into a single mathematical framework.

    连接所有粒子除了引力外自然力一个简单数学框架理论标准模型缺失部分

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  • WHO and its IMPACT partners will present guiding principles for model legislation to help countries adapt their laws to the gravity of the crime.

    世卫组织及其国际医疗产品打假专题小组伙伴提出制定示范法规指导原则帮助各国根据罪行严重程度制定相应法律

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  • The standard model brings together two theories of particle physics in order to describe the interactions of subatomic particles, except those due to gravity.

    那些之外由于重力为了描述亚原子粒子相互作用标准模型集合粒子物理学两个理论

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  • The London exhibit displayed the model Hawking once used to explain his ideas about the unimaginably dense, heavy objects whose powerful gravity swallows up everything that comes close, even light.

    这次伦敦特别展览展出霍金曾经用来解释想法模型无法想象密度的沉重物体强大重力吞没接近一切甚至是光。

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  • Metzger and colleagues have used similar measures to model how a rocket plume could scatter dust and boulders in the low-gravity environment of the moon, threatening nearby lunar outposts.

    Metzger他的同事运用类似的手段去为月球低重力环境月球基地附近浮尘巨石火箭升空的影响建模

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  • The variable density multilayered crustal model is put forward according to the idea of model decompose in this paper, and the corresponding gravity forward formula is deduced.

    根据模型分解思想,采用密度多层地壳密度模型,据此推导了相应重力异常正演计算公式

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  • In view of reservoir properties and development characteristics in Oubei block of Jiangsu Oilfield, a numerical simulation model of gravity drive of crestal nitrogen injection was established.

    针对江苏油田欧北区块地质条件开发现状,建立了顶部注氮气重力数值模型

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  • This paper describes a method for carrying out self-propulsion test of ship model in a gravity tank and the means of measurement.

    本文介绍重力式水池进行船模强迫自航试验方法所采用的测试手段

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  • For a surveyed gravity anomaly, the combination of some squares is taken as the initial model.

    对于一个实测重力异常,先用若干方格的组合作为初始模型。

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  • For a surveyed gravity anomaly, the combination of some squares is taken as the initial model.

    对于一个实测重力异常,先用若干方格的组合作为初始模型。

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