Вопрос № 347344 - Английский язык

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The range of radio 1______________ in space is extending more and more. There is every reason to believe that radio links may be set over 2________________ of 100 million kilometers or even more.
Now we cannot imagine our life without electronics.
But it all began with the 3_______________ of radio. It was our Russian scientist A.S. Popov who discovered the principles of wireless communication that finally led to the development of 4________________ tubes for use in various communication devices.

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The realm of 1 ______________ of to-day influences almost, every aspect of human activity, while it was only in the beginning of our century that the 2______________ idea, which was 3______________ into one of the most astonishing sciences of our time, was conceived. It was our Russian scientist A. S. Popov, who discovered the principle of wireless 4______________ that finally led to the development of electronic tubes for use in various communication devices.

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Microelectronics today encompasses thin-film, thick-film, hybrid, and integrated circuit 1________________. These approaches (and combinations of them) are being applied in 2____________ branch of electronics.
Integrated circuits that combine all the 3__________________ of a complete electronic circuit on a single chip of silicon can be produced. The implications of this in the microelectronic evolution are easily 4_______________. Let us compare a conventional J/K flip-flop circuit incorporating solid-state discrete devices and the same type of circuit employing integrated circuitry.

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The conventional circuit would require approximately 40 separate discrete 1___________, 200 connections, 40 hermetic seals, and 300 2_____________ processing operations with each operation, seal, and connection representing a possible source of failure. However, if all the elements of this circuit 3_______________ are integrated upon one chip of silicon, the number of connection drops to about 14. All circuit elements ar interconnected inside the package by a process known as vapour metallization; 4_______________ of 40 hermetic seals there is one, and the three hundred processing operations are reduced to approximately 30.

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Electronics surrounds us everywhere. Television, tape-recording, radio-receiving - electronics is at the heart of them all. But that is only a small part of 1_______________ and not the most important at that. Extremely 2______________ electronic systems control the work of huge plants, enterprises and 3_______________ stations. Electronic appliances are indispensable for planning and controlling our national _______________.

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Electronic computers are widely used in 1_______________ research аnd industrial designing. Huge radio-telescopes, 2_____________ with sensitive instruments and powerful
amplifiers enable man 3_______________ an insight into the remotest corners of space, discover 4_________________ and puzzling phenomena of nature.