求翻译：笔者事先就本论文涉及10个相关问题，在问卷完成后对学校5位英语教师进行了深度访谈，每次访谈20-30分钟不等，并根据具体教师的反映有针对性地调整了访谈内容和方式，以求能了解最真实的情况。是什么意思？

I advance this thesis involves 10 questions in the questionnaire after the completion of the school five English teachers conducted in-depth interviews, ranging from 20 to 30 minutes per interview, and depending on the teacher's reflection in a targeted manner to adjust the interview and methods, in

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The author beforehand involves 10 related questions on the present paper, completed after the questionnaire has carried on the depth interview to the school 5 English teachers, each time the interview 20-30 minute different, and had according to the concrete teacher's reflection pointed has adjusted

I advance this thesis involving a total of 10 related issues, upon completion of the questionnaire on schools 5 English teacher conducted depth interviews, interviews ranging from 20-30 minutes at a time, and depending on the teachers ' reflects the targeted interviews and in order to understand the

I involved 10 relevant problems on this thesis in advance, carried on the deep interview to 5 English teachers of school after the questionnaire is finished, each interview, adjust interview content and way pointed according to concrete reflection of teacher 20-30 minute, in order to find out about