иметь обратный знак
• The free end of the dipole is now of opposite sign.
• The bending strains of the upper surface are opposite in sign to those of the lower surface.
Русско-английский научно-технический словарь• The free end of the dipole is now of opposite sign.
• The bending strains of the upper surface are opposite in sign to those of the lower surface.
Русско-английский научно-технический словарь