space environment model

Then analyzes management environment and competition pattern of space-truss steel-structure enterprises with help of Porter's Five Force Model.

然后运用波特五力模型，分析网架、钢结构企业的经营环境及竞争格局；

The static model and survey model about the near-earth space environment element were advanced.

提出了近地空间环境要素三维建模的静态模型和实测模型.

Analysis of the Parameters in Space Debris Environment Engineering Model

空间碎片环境工程模式参数分析

For long term space flight, the microclimate control model in the cabin should be considered again, it controlled in a narrow comfortable zone would unfavourable to human adaptability to changing environment.

对于长期航天，舱内微小气候的控制模式是值得重新考虑的，持续地控制在狭小的舒适带不利于保持人对环境变化的适应能力。

This model has been used to describe the space environment of space station and astro motion, include atmosphere model, sun and moon models.

该模块用于描述空间站运行的空间环境和天体运动环境，包括大气模型、太阳模型、月球模型。