单项选择题
After successful commissioning, the（）will permit the SES access to system.
A.INMARSAT B.IMO C.MSC D.CES
单项选择题 During a（）period, as a newly commissioned SES, your IMN will be past to the other CESs.
单项选择题 The Inmarsat SES operator can choose the most suitable CES according to（）.
单项选择题 The Network Coordination Station for the INMARSAT-A coast stations in the Pacific ocean region is in（）.
