(2) there may be a lack of detailed and updated information concerning the different variables in the affected areas , and (3) since there is a wide range of existing systems, there is no single standard that can ensure their interoperability
(2) there may be a lack of detailed and updated informationconcerning the different variables in the affected areas , and (3) since there is a wide range of existing systems,there is no single standard that can ensure their interoperability