Sierpi
ski, W. 谢尔品斯基（1882—1969）
- symmetry plane
- symmetry polyhedral angle
- symmetry principle
- symmetry property
- symmetry sampling technique
- symmetry test
- symmetry theorem
- symmetry transformation
- symmetry trihedral angle
- symmorphic crystallographic group
- symmorphic group
- symmorphic space group
- symplectic
- symplectic automorphism
- symplectic basis
- symplectic bilinear form
- symplectic capacity
- symplectic class
- symplectic cobordism
- symplectic cohomology
- symplectic connection
- symplectic coordinate
- symplectic diffeomorphism
- symplectic difference scheme
- symplectic form