导入/导出  input/output

导入导出  import and export

CLT课堂设计  CLT design

SIP视频课堂终端  SIP video class terminal

不纳入课税  To The Exclusion of Taxafion

大课堂  big-classroom

大课堂教学质量  teaching quality

大学课堂  college classroom

大学课堂教学  classroom teaching in university; Classroom teaching in universities; college teaching course

大学英语课堂  college English class; college English classroom discourse

大学英语课堂环境  the classroom surroundings of college English

导课设计  Introduction design

地理课堂  geography class

第1课堂  the first classroom

第2课堂  the Second Classroom

第二课堂  Second class; Second classroom; the Second Classroom; second classroom education; extracurricular teaching; extra-curricular activities; second class room program; secondly classroom; English activity after class; second classrooms; vocation

第二课堂活动  second classroom activity; after-class activities

第二堂课  Second class

第三课堂  third classroom; the third classroom

第一课堂  the first classroom