After John wrote the abstract "通过自然因素和人为因素分析归纳了达洪沟泥石流的形成条件,对达洪沟泥石流灾害进行危险性评估,确定了泥石流的危险程度,提出了相应的防治建议.", he wrote these keywords "防治, 泥石流, 进行". Do you think his choice of keywords was correct? Answer yes or no.
no