The advance testing of something, such as a questionnaire, a product, or an idea.
预先测试在正式测试答卷、产品或观点之前进行的考试
Is a questionnaire answeredby 500 people truly representative of national opinion?
一份调查问卷有500人作答, 是否能真正代表全国人民的意见?
We gave them some questionnaires for collecting data.
为了收集数据我们发给他们一些调查表。