landslides滑坡landsliden.山崩；滑坡；占绝对优势的选举landslides stabilization滑坡稳定性landslide zone parameter滑坡滑带参数Landslide susceptibility滑坡危险等级landslide of side tunnel隧道塌方landslide forming reasons滑坡成因机制landslide in Zhangjiaping张家坪滑坡landslide characteristics滑坡特征landslide risk assessment滑坡风险评估landslide risk management滑坡风险管理landslides characteristic滑坡特征