Prior to applying a gravity model, one has to calibrate the impedance function.
应用重力模型的之前，你应该先校准阻抗函数。
The gravity model has offered the frame of a general equilibrium, experimental, easy to grasp.
引力模型提供了一个实验性的、易于掌握的、一般均衡的框架。
The gravity model is used for studying the mortality rate dynamics between two related but different sized population groups.
死亡率引力模型是研究两个相关但暴露数规模不同的人群的动态死亡率模型。
The density model in this depth is very much useful in the establishment of initial model and density space constraint for gravity modeling.
建立了这一深度空间内的密度模型，为利用重力场建模提供了初始模型和密度空间约束。
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.
对铁路行包od运量的预测提出一种基于重力模型的改进方法。
The gravity model approach to international trade proves to be effective in the quantitative study of the geographical factors influencing bilateral trade.
国际贸易的重力模型方法对量化研究双边贸易中的地理因素是非常成功的。
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和流量问题的有力的分析工具，已经在国际贸易实证研究中获得了相当的成功。
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和实施GOCE任务后改进的重力场模型进行重力补偿，惯导系统所能达到的定位精度。
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.
基于四阶段法，采用双重力模型，预测全国空域的交通流量OD分布。
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.
低轨重力卫星轨道的精确确定是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轨结果的保证。
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.
通过应用引力模型的研究发现，各国制度的优劣对双边贸易有显著的影响，制度相似的国家间贸易量较大。
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.
月球重力场的恢复依赖于对绕球探测器的跟踪观测，可恢复重力场模型的最高阶次与观测数据分布的密集程度之间满足一定的关系。
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、系统的研究了地球重力场椭球谐模型的建立和边值问题在椭球界面下的求解情况。
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的方法，提供了更准确的预测。
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年中国主要的30个木质家具出口国为研究对象，来分析经济规模、地理距离对中国木质家具出口的影响。
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年历史的标准模型能将所有已知的粒子和除了重力之外的所有自然力联系起来，这个数学框架中缺少的那一块便是希格斯玻色子。
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.
波究瓦德发现他必须创建一个新的数学模式来使用循环量子引力理论，以便更加精确地探究大弹跳之前的宇宙。
He has also managed to derive Newtonian gravity from the model: however, general relativity has not yet emerged.
他曾成功的从这一模型中获得牛顿引力：但是，广义相对论还未出现。
The nearest thing they have to this-the Standard Model of particle physics-is messy in places and partial, because it omits gravity.
目前最接近这出戏的粒子物理的“标准模型”-由于没有引力参加而显得颇为邋遢。
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.
这个标准模型的棘手之处在于，它对某些物理学家们来说太过了，不管怎样，它导致了包含极高能量的重力及工作的新理论们。
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."
创建博客的想法成为了这一新模式的重心，此外，我们还将其他受众渠道连接起来，建立了一个实验性的新"生态系统"。
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.
它是连接所有粒子和除了引力外的自然力到一个简单数学框架理论的标准模型缺失的部分。
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将提出制定示范法规指导原则，以帮助各国根据罪行的严重程度制定相应的法律。
The standard model brings together two theories of particle physics in order to describe the interactions of subatomic particles, except those due to gravity.
除那些之外由于重力，为了描述亚原子粒子的相互作用，标准模型集合粒子物理学的两个理论。
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.
这次伦敦的特别展览还展出了霍金曾经用来解释他想法的模型，即无法想象密度的沉重物体，其强大重力吞没接近的一切，甚至是光。
Under Newton's model, gravity was the result of an attractive force between massive objects.
根据牛顿的模型，重力的原因是一个有吸引力的巨大物体之间生效。
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和他的同事运用类似的手段去为在月球低重力环境下月球基地附近的浮尘和巨石对火箭升空的影响建模。
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.
根据模型分解的思想，采用变密度多层地壳密度模型，据此推导了相应的重力异常正演计算公式。
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.
根据模型分解的思想，采用变密度多层地壳密度模型，据此推导了相应的重力异常正演计算公式。
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