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2.2 Abbreviation
B/S—Browser/Server
C/S—Client/Server
CPU—Central Processing Unit
D1—480i display format of digital television system（Digital 1）
ERP—Enterprise Resource Planning
HMI—Human Machine Interface
IP—Internet Protocol
IO—Input/output
IPC—Industrial Personal Computer
OA—Office Automation
PLC—Programmable Logic Controller
QoS—Quality of Service
RAID—Redundant Arrays of Independent Disks
TCP/IP—Transmission Control Protocol/Internet Protocol
UPS—Uninterruptible Power Supply
VLAN—Virtual Local Area Network