Secondly, they involve exerting strict controls on the organizational and operational systems.
第二，它们涉及对组织和业务系统进行严格控制。
英语百科
Operational system
An operational system is a term used in data warehousing to refer to a system that is used to process the day-to-day transactions of an organization. These systems are designed in a manner that processing of day-to-day transactions is performed efficiently and the integrity of the transactional data is preserved.