有一份,供参考: , A; H( s s: ^ |. d+ z( UDevelopment of a monitoring and control platform for PLC-based applications 7 m" _% g% t6 h- j! L4 bComputer Standards & Interfaces, Volume 30, Issue 3, March 2008, Pages 157-166 3 j, [. u9 p9 P. F, LS. Da'na, A. Sagahyroon, A. Elrayes, A.R. Al-Ali and R. Al-Aydi ) Y) _- ~# e/ a