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Прочитайте текст и заполните пропуски подходящими по смыслу словами The principles of 1_____________...: ответ на тест 606852 - Английский язык

Прочитайте текст и заполните пропуски подходящими по смыслу словами
The principles of 1________________ in a simplified form might be stated as follows:
1. electromagnetic radiation at high radio frequencies is 2________________ to detect and locate remote reflecting objects;
2. the radiation is sent out in pulses of a few microseconds’ duration, separated by intervals many times the duration of each pulse;
3. the pulses are returned from the reflecting objects and the returns are detected and displayed by receiving equipment placed at the point of transmission;
4. 3________________   to the objects is determined by measurement of the time it took the pulses to reach the targets from the transmission equipment and return to it;
5. the directions of the targets are determined by use of highly directive radio 4__________________.
Варианты ответов
  • antennas
  • radar
  • used
  • the distance
Тип вопроса: Вопрос на соотвествие
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Вопрос задал(а): Анонимный пользователь, 12 Ноябрь 2020 в 20:12
На вопрос ответил(а): Анастасия Степанова, 12 Ноябрь 2020 в 20:12

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Вопрос № 606855

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What is the topic of girls’ discussion about using home computers?

Вопрос № 606856

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A lot of knowledge is a dangerous thing for addicts of the Internet. Information is becoming the drug of the new century.
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