Инфинитивные конструкции: Лексико-грамматический практикум по английскому языку. Марченко О.В. - 51 стр.

     Óïð. 26. Ïåðåâåñòè íà ðóññêèé ÿçûê. Ïîìíèòü, ÷òî prove —
îêàçûâàåòñÿ (Active Voice), äîêàçàíî (Passive Voice)
     1. They proved to have provided all the experiment.
     2. The technique of the investigation proved to be a success.
     3. Lasers proved to be of great help in medicine and industry.
     4. An ordinary light was proved to consist of waves all out of
phase with each other.
     5. All the waves in a laser beam were proved to have the same
wavelength.
     6. A laser beam proved to have a very definite colour.
     7. The laser beam proved to be intermittent. (äèñêðåòíûé)

      Óïð. 27. Ïðî÷èòàòü, ïåðåâåñòè íà ðóññêèé ÿçûê.
      1. The predicted precision was found to be different to obtain in
practice.
      2. Five or six orbit elements are known to be determinable.
      3. Another important element in the filter technique to be treated
in the equations is the parameter of observability.
      4. The purpose of the experiment is to provide evidence of dif-
fraction of light.
      5.We are to provide all the necessary equi pment for the experi-
ment to be carried out successfully.
      6. This is the type of procedure to be followed to obtain accurate
results.
      7. The results presented here are supposed to indicate the type
of procedure to obtain exact measurements.
      8. To overcome this problem we return to the results listed in
Tables 2 where the initial weights are given.
      9. To come to an approximate solution these values are assumed
to be zero.
      10. The present paper will present at attempt to apply a form of
the Kalman filter to such systems to determine both the state esti-
mation and time decay.

      Óïð. 28. Ïðî÷èòàòü, ïåðåâåñòè íà ðóññêèé ÿçûê. Óêàçàòü
âèäîâðåìåííóþ ôîðìó èíôèíèòèâà.
      1. Classic experiments have shown that organic compounds that
are chemical precursers (ïðåäâåñòíèêè) to life can be found from
the substances that are believed to have been abundant in the atmo-
spheres of the planets early in their history.

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