optics system
optimal
optimal activity
optimal age
optimal algorithms
optimal allocation
optimal amount
optimal approach
optimal balance

optimal bandwidth
optimal body size
optimal burn-in time
optimal capital structure
optimal care
optimal choice
optimal combination
optimal composition
optimal concentration
optimal conditions

optimal configuration
optimal consumption
optimal contract
optimal control
optimal control policy
optimal control problem
optimal control theory
optimal controller
optimal convergence
optimal cut-off

optimal cut-off value
optimal cutoff point
optimal cutoff value
optimal decisions
optimal design
optimal design parameters
optimal detection
optimal development
optimal dosage
optimal dose

optimal dosing
optimal duration
optimal environment
optimal H