应用重力模型的之前，你应该先校准阻抗函数。
Prior to applying a gravity model, one has to calibrate the impedance function.
为简单起见，本文主要考虑的是一个二维无重力模型。
And for the sake of simple, we considered a 2d model without gravity.
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 paper puts forward an improved method on the basis of gravity model to forecast the od freight volume of railway luggage and parcel transportation.
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。
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.
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。
The gravity model approach to international trade proves to be effective in the quantitative study of the geographical factors influencing bilateral trade.
本文对国内外常用的交通分布模型进行了评析，指出了增长系数法和重力模型所存在的缺点和问题。
This artical analyses the trip distribution models which are widely used in the world and points out the shortcomings and problems in those models.
目前，应用重力资料研究逆冲推覆构造，多采用重力延拓法、重力模型正演法和重力、地震综合解释法。
In present gravity exploration of overthrust nappe, people usually use gravity continuation method, forward gravity modelling method and integrated gravity-seismic interpretation method.
介绍双约束重力模型参数标定的方法，并以西部某一新城区居民出行分布为例，详细给出参数标定的实现过程。
This paper presents a method to establish a 2-D geometrically constrained model, and to realize the modification of topologic relation of geometric models.
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 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.
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。
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.
一种主流看法认为是重力潮汐作用改变了月球的外壳，并使其向一侧倾斜，但该新理论是以解释月球成因的“大碰撞”模型为基础的。
One leading idea is that gravitational tidal forces reshaped the moon's crust and made it lopsided. But the new theory builds on the "giant impact" model that explains the moon's creation.
其主要任务是研究各种断裂模型中断裂位置与重力异常线性构造信号极大值位置之间的对应关系。
The main task is to research relation of all kinds of fault models fault positions and gravity anomaly linear structure signal maximum positions.
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。
Under Newton's model, gravity was the result of an attractive force between massive objects.
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 standard model brings together two theories of particle physics in order to describe the interactions of subatomic particles, except those due to gravity.
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。
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.
针对江苏油田欧北区块的地质条件和开发现状，建立了顶部注氮气重力驱数值模型。
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.
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.
方法：利用激光束描记位移的重力打击装置，制备可靠的定量损伤模型；
Methods: The model of quantitative injury was established in rats with the weight drop apparatus with a laser compression recorder.
利用此模型分析了重力式网箱在均匀流作用下，不同的配重重量对其受力和变形的影响。
The model is used to analyze the influences on the net of gravity sea cage by the different sinker weights in uniform flow.
对于一个实测的重力异常，先用若干方格的组合作为初始模型。
For a surveyed gravity anomaly, the combination of some squares is taken as the initial model.
为了更精确地考虑地球对超远程弹道计算的影响，提出了一个计入精确正常重力的椭球地表弹道模型。
To consider the effect of the earth on the calculation of ultra range trajectory more accurately, an elliptic earth trajectory model adopting accurate normal gravity is established.
该模型基于回归分析、时间价值原理与重力分布原理预测交通量建立。
This traffic demand forecast model is established based on regression analysis, time value model and gravity distribution theory.
本文提出了机械手在关节坐标系中的引入积分作用的线性扰动自适应控制和引入重力补偿的模型跟随自适应控制方案。
This paper proposes a linear perturbation adaptive control scheme with integrators and a model following control scheme with gravity compensation for robot manipulators.
本文提出了微圆管内环状流凝结换热的分析模型，考虑了重力、汽液界面剪切力、表面张力以及界面凝结热阻的作用。
Considering gravity, interfacial shear stress, surface tension and interfacial thermal resistance, the analysis model for annular flow condensation heat transfer in microtube was presented.
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 density model in this depth is very much useful in the establishment of initial model and density space constraint for gravity modeling.
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。
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.
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。
By using the EGM96 model and the simulated improved gravity model after GOCE mission for gravity compensation, the accuracy of INS is analysed respectively.
理论上讲，按重力相似准则设计模型，并保证模型材料与原型材料的弹性相似，即能在模型上模拟原型的水击现象。
The water hammer in a pressure pipe in prototype can be in terms of theory simulated in a model, based on the gravity similarity and elastic material similarity.
理论上讲，按重力相似准则设计模型，并保证模型材料与原型材料的弹性相似，即能在模型上模拟原型的水击现象。
The water hammer in a pressure pipe in prototype can be in terms of theory simulated in a model, based on the gravity similarity and elastic material similarity.
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