принцип; положение; начало; закон
- principle of action and reaction
- principle of dynamical similarity
- principle of equilibrium
- principle of least work
- principle of minimum potential energy
- principle of minimum strain energy
- principles of plastic design
- principle of reciprocal deflection
- principle of reciprocity
- principle of superposition
- principle of virtual displacements
- principle of virtual work
- construction principles
- design principles
- general principles of design
- key design principles
- Muller-Breslau principle
- operating principle
- Saint Venant principle
- undercutting principle