22. The system of claim 20 , wherein: each segment translation server comprises a segment translation server cache operable to store at least part of the obtained machine translation resource data.
22. The system of claim 20 , wherein: each segment translation server comprises a segment translation server cache operable to store at least part of the obtained machine translation resource data. 27. The system of claim 22 , wherein: the segment translation server cache is operable to further store history information of translation of an assigned segment.