System should be an open architecture, providing real-time multi-tasking and multi-user environment. Standard interfaces between modules should be standardized and unified in support of the secondary development of user application software to ensure compliance to relevant standards and other system

Open system architecture should be used to provide real-time multi-tasking and multi-user operating environment. functional modules of the interface between standard norms should be uniform, and support a user application software development, guarantee the 2 meeting and other follows the relevant s

The system should use the open architecture, provides the real-time multi-duties and the multiuser movement environment.Between the function module interface standard should the standard be unified, supports the user application software the re-development, guaranteed can interconnect and integrate

System should adopt an open architecture that provides real-time multi-tasking and multi-user environments. Function module interface between the standard should be for unity, support second development of user application software, guarantees and other compliance-related system interconnection and

System should be an open architecture, providing real-time multi-tasking and multi-user environment. Standard interfaces between modules should be standardized and unified in support of the secondary development of user application software to ensure compliance to relevant standards and other system