【求助】牛人们请进来帮我看看这封传真到底啥意思？

liwei4626

Offer of Employment for

Mr ＸＸ(date of birth: Ｘ.Ｘ.Ｘ)

This is to confirm that the above mentioned candidate can eventually be offered a research in our Department of Diagnostic Radiology subject to the fulfilment of the following criteriatutorials. (scholarship, health insurance, financial support, etc.).
You should be in our department from Aug. 2007 to Dec.  2008.  
You are in line with language request for our research.

The proposed length if stay is set to 17 months beginning on 1st August 2007 and during this time, you should be excused from his tutorials.  

在这种情况下，他们能在今年8月之前发邀请函吗？需要一年半的语言考查？然后若通过才能留下做课题研究??请教较牛的XDJM门 :wunai: