The research instruments include a questionnaire investigating English -learning motivation, informal interview and formal interview.
研究工具包括学生动机调查问卷，平时的非正式访谈和期末的正式访谈。
The information needed is gained mainly through interview, observing in the spot, collecting files, questionnaire investigating and so on.
研究主要通过访谈、实地观察、收集文件资料以及问卷调查等方法获取资料。
On the basis of questionnaire investigating, by the factor analysis, this paper solves the problem which of those indexes are most important and how much the traders are concerned.
在问卷调查资料的基础上，运用因子分析方法，揭示出了展商看中展会品质的哪些指标，及对各指标的关注程度；
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