There are obvious differences between mountain road and plain road in landform and geology. It is very important to ensure the schedule and safety of roadbed construction.
山区公路与平原公路在地形及地质变化方面都有明显区别，确保石方路基的工程进度及安全施工是一个重要问题。
Through the background analysis of Xiaojiang River basin, such as geology, landform, hydrology and meteorology, and with the mechanical model the experimental study is carried out.
通过对长江上游小江流域的地质地貌和水文气象背景分析，并结合动力学模型进行了试验研究。
The groundwater system of karst spring is a nonlinear and dynamic system influenced by factors such as hydrology, geology, landform, vegetation and human's activities.
岩溶水系统是受水文、地质、地形地貌、植被、人类活动等多种因素影响的非线性动力系统。
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