Прочитайте текст и заполните пропуски подходящими по смыслу словами Intensive 1______________ of rad...: ответ на тест 284241 - Английский язык
Прочитайте текст и заполните пропуски подходящими по смыслу словами
Intensive 1______________ of radio-location began in the early forties. All these years the vacuum 2_______________ was the heart of electronics and, hence, the field of 3______________ was usually defined as the study of the motion of electrons in vacuum tubes. However, it was found that small, controlled 4______________ of gas introduced into a "vacuum tube" could make it perform switchings, rectifying and other jobs. To include the category of gas-filled tubes, "vacuum tubes" became converted to "electron tubes" and the science of electronics was expanded to include the study of electron motion in gases.
Intensive 1______________ of radio-location began in the early forties. All these years the vacuum 2_______________ was the heart of electronics and, hence, the field of 3______________ was usually defined as the study of the motion of electrons in vacuum tubes. However, it was found that small, controlled 4______________ of gas introduced into a "vacuum tube" could make it perform switchings, rectifying and other jobs. To include the category of gas-filled tubes, "vacuum tubes" became converted to "electron tubes" and the science of electronics was expanded to include the study of electron motion in gases.
Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:48
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:48
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:48