主要包括专题小组讨论，参与性观察，德尔菲法，个体访谈；普查与抽样调查，典型调查，捕获-标记-再捕获法。
It mainly included Focus Group Discussion , Participatory Observation , Delphi technique , Personal Interview , Overall Survey and Sampling Survey , Typical Survey , Capture-Mark-Recapture Method , et al .
普查与抽样调查