- variable reluctance stepping motor
- variable reluctive transducer
- variable rules
- variable selection
- variable selection for linear regression model
- variable separation method
- variable sign
- variables inspection
- variable source
- variable-spacing interferometer
- variable-spacing interferometry
- variable specific impulse magnetoplasma rocket
- variable-speed constant-frequency
- variable speed control moment gyro
- variable speed drive
- variable speed operation
- variable speed pumped storage
- variables quality characteristic
- variable-stability aircraft
- variable stability flight control
- variable stage
- variable star
- variable stator vane
- variable step size
- variable step size method