- nonnull event
- мат.событие с ненулевой вероятностью
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Classification of electromagnetic fields — In differential geometry and theoretical physics, the classification of electromagnetic fields is a pointwise classification of bivectors at each point of a Lorentzian manifold. It is used in the study of solutions of Maxwell s equations and has… … Wikipedia