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- torsional vibration of crankshaft
- torsional vibration of shaft system of unit
- torsional vibration suppression control
- torsion A-module
- torsion and bending of cylindrical bar
- torsion angle
- torsion balance
- torsion-balance gravity gradiometer
- torsion basis
- torsion center
- torsion class
- torsion coefficients
- torsion-complete
- torsion constant
- torsion-curvature form
- torsion divisor
- torsion element
- torsion fiber
- torsion field
- torsion form
- torsion-free
- torsion free affine connection
- torsion-free affine connection
- torsion-free A-module
- torsion free commutative group