Упражнение 7
- Short radio waves can go right through the ionosphere and be amplified and sent on by communications satellites.
- Having been repaired, the device began working much better.
- Who is he now having a talk with?
- Solar batteries generate electricity.
- We are sorry to trouble you.
- Telephone, radio and television deliver a continuous stream of information.
- Were you going to take part in the scientific conference?
- The computer doesn't really remember, information is stored in it.
- We mustn't reject the suggestion without discussing it with them.
- The input unit to be described here is a new one.
- The operating range of this device is broad.
- The origin of the word "robot" is said to have appeared first in a play written by a Czech playwright.
- The universities offer broad training in sciences such as physics, chemistry, mathematics, mechanics, biology, geology, geography, philology, history, philosophy and law.
- The vibrations of a voice speaking into the microphone of a telephone cause vibrations in an electric current.
- There is a simple explanation of the functioning of this device, isn’t there?
- This famous scientist is engaged both in scientific research and in social activities.
- What devices were used in the second generation computers?
- Every student must know the difference between automation and mechanization, mustn’t he?
- Do you find it necessary to continue the experiment?
- What did it lead to?
- What were they aimed at?
- A new radio set having been shown to them, they began to examine its details.
- Crystal valves were found to be less efficient rectifiers than thermionic valves.
- She described the device to be used in all modern systems, didn’t she?
- She will begin to translate the text tomorrow, won’t she?
- She will be working on her thesis for the next three years.
- He has never been to the Carpathians.
- Many different devices have been created in order to improve the performance of communications.
- But for electricity little could be done in a modern research laboratory.
- Sales have been falling recently.
- She said to me that she had never been to Leningrad.
- What do you think a robot should look like?
- When technique reaches a very high stage of development, new methods of work will become possible.
- When the lectures are over, we shall go to the reading hall.
- The method which will be used is reliable, isn’t it?
- The scientist who is working at the method is well known.
- The Soviet Union was the first country that put into operation atomic power stations.
- A transformer cannot be called a machine for it has no moving parts.
- Provided the Earth's mass were twice as great as it is, it would attract any body twice as strongly.
- He would have prepared for his exams if he had come early, wouldn’t he?
- If the model fits well, the observed data will be correct.
- The substance should be purified so that it might be used for this purpose.
- Although improvements will reduce the required computation times, emulation will nevertheless be restricted to real time systems having slow response times.
- It was in 1868 that D.I. Mendeleyev formulated the Periodic Law of Elements.
- It is necessary that they should come in time.