求翻译：现场访谈和观察主要是对教师和学生进行口语教学以及相关活动进行询问交流，并深入了解教师和学生在口语教学中存在的种种问题。是什么意思？

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On-site interview and observation is mainly for teachers and students in English teaching, as well as related activities to ask, and in-depth understanding teachers and students in English in the teaching of all the problems.

The scene interview and the observation mainly is carries on the spoken language teaching as well as correlation to the teacher and the student carries on the inquiry exchange, and understood thoroughly the teacher and the student all sorts of questions which exists in the spoken language teaching.

Interviews and observation is primarily an oral English teaching for teachers and students, as well as relevant activities of ask AC, and in-depth understanding of teachers and students in the teaching of oral problems.

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