The United States has long had a reputation as a pioneer in ingenious technology -- from incandescent lights, sewing machines and cotton gins to telephones, television equipment, computers, airplanes and space ships.

• 美国历来以首创精巧的科技产品而著称，从白炽灯，缝纫机、轧棉机，到电话、电视机，电脑、飞机和太空船。