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Translate the following word-groups.
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Text А
THE LASER TECHNOLOGY TODAY AND TOMORROW
Pretext exercises
Read the following words and expressions and try to guess their meaning.
Lasers, radiation, luminescent crystal, granite, institute of physics, quantum generator, optical generator, gas generator, transform, electrical energy, percent, maximum, extremely economical, laser reflectors, American astronauts, continent, potential, laser technology.
5.2. Read the following words and notice their pronunciation.
| prevent | [prI`vent] | finally | [`faInqlI] |
| extremely | [Iks`trJmlI] | various | [`vFqrIqs] |
| luminescent | [`lHmI`nesqnt] | potential | [pq`tenSql] |
| crystals | [`krIstql] | surgeon | [`sWGqn] |
| granite | [`grxnIt] | simultaneously | [`sImql`teInIqslI] |
Memorize the following words and expressions
| to invent | изобретать, делать открытие | to allow | позволять, разрешать |
| a solution (of the problem) | решение (проблемы) | to determine | определять |
| a multipurpose tool | универсальное (комплексное) устройство | to perform operations | проводить операции (мед.) |
| to cause (a problem) | являться причиной (проблемы) | eye surgery | хирургия глаз |
| therefore | поэтому, следовательно | an application | применение |
| to occupy a special place | занимать особое место | to foresee | предвидеть, предсказывать заранее |
| density of radiation | плотность радиации | simultaneously | одновременно |
Translate the following word-groups.
Lasers produce; they were invented; nobody knew; they seem likely to be useful; they were called; the laser has become; it has caused; atoms emit; scientists have developed; the laser beam can be focused; its accuracy has allowed; surgeons have found; a laser beam will be employed; laser is able to transform; laser industry will find; scientists foresee; the importance continues to stimulate; generator has been developed.
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