Прочитайте текст и заполните пропуски подходящими по смыслу словами Electronic computers are widely ...: ответ на тест 284233 - Английский язык

Прочитайте текст и заполните пропуски подходящими по смыслу словами
Electronic computers are widely used in scientific 1______________, in planning and controlling our national economy. Very complicated 2______________ systems control the work of huge plants and power stations; even whole industries are 3______________ by electronic robots. Planes and rockets are also electronically controlled.
4______________ has sharpened our vision and given us chance to see the microworld more clearly. It helps us discover new and puzzling phenomena of nature.