Due to the special natural and geographical environment and line conditions, some stricter requirements for the train braking system are needed to ensure the safe train operation.
由于青藏铁路特殊的自然地理环境和线路条件，为保证列车安全运行，对列车制动系统必须有更高的要求。
In this section, first introduced the Three Gorges reservoir area of the geographical location, natural conditions, and resource distribution.
在这一部分中，首先介绍了三峡库区的地理位置、自然条件及资源分布状况。
Firstly this thesis systematically expounded the regional geological background and geographical conditions in Haizishan Natural Reserve.
论文首先系统地阐述了海子山自然保护区的区域地质背景和地理环境。
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