wiggler field — пространственно-периодическое магнитное поле
field work — полевая съёмка, работа в поле; разведка, съёмка
warning display field — поле предупредительной сигнализации
uniform switching field — однородное перемагничивающее поле
terrestrial gravitational field — гравитационное поле Земли
The English-Russian dictionary general scientific. 2015.
Covariance and contravariance of vectors — For other uses of covariant or contravariant , see covariance and contravariance. In multilinear algebra and tensor analysis, covariance and contravariance describe how the quantitative description of certain geometric or physical entities… … Wikipedia
Von Neumann algebra — In mathematics, a von Neumann algebra or W* algebra is a * algebra of bounded operators on a Hilbert space that is closed in the weak operator topology and contains the identity operator. They were originally introduced by John von Neumann,… … Wikipedia
