Method Using rapid policy research approaches, including some qualitative methods, literature review, structured focus group discussion and field study.
方法采用了快速政策研究方法、文献分析法、结构式访谈和现场考察等定性方法；
Compared to traditional heavy metal waste water treatment method, using low-cost adsorption material in the field of treatment of heavy metal becomes the subject of current research focus.
相比传统的重金属废水处理方法，利用廉价吸附材料处理重金属受到研究者亲睐，成为当前研究的主题。
It is difficult to implement the material equivalent using the method of experiment in the field of the target damage research.
采用实验方法确定目标毁伤研究中材料等效存在一定困难。
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