微生物固定化技术

A. analog trunks that provide the Survivable Remote Site Telephony (SRST) feature
B. analog trunks that provide VoIP gateway functionality
C. analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems
D. analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)

A. 巩膜炎
B. 眼虹膜睫状体炎
C. 眼色素层炎
D. 角膜炎
E. 结膜炎