или, наоборот
• The dynamo is an electric machine for the conversion of electrical into mechanical energy or, conversely (or vice versa), mechanical into electrical energy.
Русско-английский научно-технический словарь• The dynamo is an electric machine for the conversion of electrical into mechanical energy or, conversely (or vice versa), mechanical into electrical energy.
Русско-английский научно-технический словарь