задан
• Ψ = constant may be specified by a straight line.
• Any point on the plane can be specified by a pair of coordinates (A, B).
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• Ψ = constant may be specified by a straight line.
• Any point on the plane can be specified by a pair of coordinates (A, B).