multi-site       
adjective (also multisite) uk/ˌmʌl.tiˈsaɪt/ us/ˌmʌl.tiˈsaɪt/ /ˌmʌl.taɪˈsaɪt/
 (包括或发生在)多个地址的,多个建筑的
having or happening in several different places or buildings
  a multi-site university campus 一所有多个校区的大学 
 The studies were part of a large, multisite clinical trial.
 - More examples
 - Large multi-site enterprises are centralizing their contact centre operations.
 - These can often be large multi-site operations with widely scattered staff.
 - This is the largest multisite study into this issue to date.
 - This study used data collected from a multisite, multicohort research project designed to study the development of serious conduct problems among children.