равный и противоположный
• There is an equal and opposite charge on the other plate.
• In a circular orbit the gravitational force is equal and opposite to the centrifugal force.
Русско-английский научно-технический словарь• There is an equal and opposite charge on the other plate.
• In a circular orbit the gravitational force is equal and opposite to the centrifugal force.
Русско-английский научно-технический словарь