在一项涉及 549 人的学生问卷调查中，的翻译：A student questionnaire involving 549 people, 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

549 people involved in a student survey,

A student questionnaire involving 549 people,

Involves in 549 human of student questionnaire surveys in one item,

One of the 549 persons involved in the students in the survey.

A student questionnaire involving 549 people,