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Read the text. Is it obligatory to translate the word ones?

Design by Computer

Belarus will now design multistorey buildings with the help of computer.

An electronic computer system developed at building and assembling enterprises will help reduce designing time by 1/4 (one-fourth). Designers have at their disposal 4,000 various structural components from which the computer chooses the most suitable ones.

Translate the sentences into Russian paying attention to the meaning of the word one.

1. The theory of the basic devices in radio engineering — radio transmitting and radio receiving ones — was developed by Soviet scientists.

2. To understand what laser is one has to understand how light is generated.

3. The input unit to be described here is a new one.

4. One can make matter vibrate in different ways.

5. In future power stations will use the principle of direct conversion of solar energy into electric one.

6. Due to radioactive elements one can measure the thickness of various materials.

7. He knew that no one could help him.

8. The history of the exploration of the Urals has been a long one.

9. I know only one solution of this problem.

Translate the sentences. Mind the words that, one, those.

A.

1. Since the grid is nearer to the cathode, its effect on the electrons is much greater than thatof the plate.

2. The element thatattracts electrons from the cathode is called the plate.

3. When capacitors are connected in series, the total capacitance is less than thatof the smaller capacitor.

4. The symbol for the PNP transistor is almost identical to thatof the NPN transistor.

5. The flow of electrons along a wire can be compared to thatof liquid through pipes.

6. The basic amplifier action of tetrodes and pentodes is the same as thatof triodes.

7. A semiconductor is a material having conductivity between thatof a metal and an insulator.

B.

1. A grid placed near the space charge is better able to stop the electrons than the one placed farther away.

2. The best value of load resistance is normally one that will give a reasonable amount of gain.

3. The middle-frequency range is onein which coupling capacitor can be neglected.

4. The intrinsic semiconductor is the onein which some holes and electron pairs are created by thermal energy, even though there are no impurities in it.

5. A class-B amplifier is onein which the grid is biased at or very near cutoff.

C.

1. For many applications the characteristics of the junction diode are better than thoseof the vacuum diode.

2. Extrinsic properties are thoseof a semiconductor modified by impurities within the crystal.

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