the methods of collecting data in case study researches on special children 特殊儿童个案研究资料收集的方法
a method of collecting data through oral questioning of a respondent, either in person, or over the telephone 通过面对面或电话来口头询问被访者的数据收集方法
most of the traditional methods of collecting data cannot be applied to new forms of crime such as trafficking in human beings 对于像贩卖人口这种新形式的犯罪来说,大多数传统的数据收集方法都不适用。