英语翻译Please submit school letters for the following years 2010 and 2011.The letters must show date of enrolment and periods of attdendance?求翻译啊.在这里period of attendance是什么意思是出勤率的意思？

英语翻译Please submit school letters for the following years 2010 and 2011.The letters must show date of enrolment and periods of attdendance?求翻译啊.在这里period of attendance是什么意思是出勤率的意思？
英语翻译
Please submit school letters for the following years 2010 and 2011.The letters must show date of enrolment and periods of attdendance?
求翻译啊.在这里period of attendance是什么意思
是出勤率的意思？

英语翻译Please submit school letters for the following years 2010 and 2011.The letters must show date of enrolment and periods of attdendance?求翻译啊.在这里period of attendance是什么意思是出勤率的意思？
请就2010-2011学年提交校方信件,信件必须指明注册及其开学上课的日期


period of attendance 上课时间

在校期间

就是说你有没有中途退学之类

应该是出勤期间