Terms containing signature number

Subject	English	Russian
telecom.	signature number	номер сигнатуры (oleg.vigodsky)
telecom.	signature number	номера сигнатур (oleg.vigodsky)
tech.	signature number	сигнатура
tech.	signature number	цифра сигнатуры
math.	the signature of a symmetric matrix is the difference between the number of positive eigenvalues and the number of negative eigenvalues	сигнатура матрицы