spec - stan
- special events control system
- special transformer
- special-purpose motor
- specific absorbed dose
- specific capacitance
- specific capacity
- specific charges
- specific conductance
- specific cubic conductance
- specific current density per unit area
- specific duty
- specific electode consumption
- specific energy consumption
- specific flow
- specific gap
- specific heat capacity
- specific power
- specific reactance
- specific reference fuel consumption
- specific reluctance
- specific speed
- specific temperature rise
- specific utilization coefficient
- specific-capacitance
- specified band
- specified breakaway torque
- spectrum analysis
- specular reflection
- speech channel
- speed
- speed and governor valve position recorder
- speed changer
- speed changer motor
- speed characteristic curve
- speed control
- speed controller
- speed droop
- speed governor
- speed index
- speed of conversion
