gravitational model

the fourth part has mainly used the factorial analysis and the gravitational model to limit the city fringe area of shijiazhuang.

第四部分主要是利用因子分析和引力模型对于石家庄市城市边缘区的界定。

The effects of solar gravity perturbation are evaluated as a crucial error of all, which based on the Earth-Sun restricted three-body problem and the Sun-Earth-Moon four-body gravitational model.

主要研究了太阳引力摄动的影响，并基于地-日限制性三体问题和地-日-月四体引力模型分别对太阳引力摄动影响进行了仿真。

algorithms and application of gravitational model in mass transit passenger flow distribution forecast

在公交客流分布预测中重力模型的参数标定及其应用研究

scientists use the earth gravitational model to study the planet.

科学家们使用地球重力模型来研究这颗行星。