space transportation system

The multi-level structure of erosion, transportation and accumulation in a slope system and its space scale effect are very important for the soil erosion quantity evaluation.

分析了土壤侵蚀中的侵蚀、搬运、堆积的层次结构及所表现的空间尺度效应的形式、产生的机制和原因。

Moreover, with China, the European Space Agency has not developed its own manned space transportation system.

而且, 与中国不同, 欧洲航天局还没有研发出自己的载人航天运输系统.

Pilot Study of the Space Transportation System for Space Station

空间站天地往返运输系统初探

Study and Discussion on Projects of Combined Air-Breathing Jet Engines for Earth/ Orbit Space Transportation System

天地往返运输系统空气喷气组合式发动机方案探讨

Has a modern, fast, and flow characteristics of rail transportation system plays a vital role in the development and changes in the strong boost to the city space.

拥有现代化、快速化、流量大等特征的轨道交通系统，在有力的推动着城市空间发展变化中起着极其重要的作用。