that may greatly enhance working efficiency and result accuracy as a mostly valid way at present during the survey of regional geological hazards, especially such as slumping, landslide and mudflow.
可大大提高工作效率和成果的準确性,对于区域性地质灾害(尤其是崩塌、滑坡和泥石流)的调查目前是最为有效的方法。