creation and annihilation operator

inverse and dual combination operator

Operation and Evaluation of Composite Insulator

Radar operation and simulator specialized training

Adjustment and Operation

advertisement operation and marketing

AND operation

and Operation control

and Operation safety

AND-operation

Automation and operation

Base Station System Operation and Maintenance Application Part BSSOMAP

basic theory and operation

boiler design and operation

boiler’s design and operation

BSS Operation and Maintenance Application Part BSSOMAP

Building and Operation

Business and Operation

Business and Operation Support System