，全概公式- scalar system
- scalar system of equations
- scalar tensor
- scalar triple product
- scalar-type
- scalar-valued
- scalar-valued function
- scalar-valued mapping
- scalar variable
- scale
- scale carrier
- scale division
- scale factor
- scale-free network
- scale function
- scale invariance
- scale invariant function
- positive eigenvector
- positive element
- positive endomorphism
- positive-energy representation
- positive entropy
- positive excess coefficient
- positive existential sentence
- positive extension