Vocabulary Bank

1. radar equipment

2. to determine

3. radio echo

4. range

5. radar set

6. essential component

7. namely

8. transmitter

9. receiver

10. power supply

11. detect

12. powerful pulse

13. ultra-high frequency radio wave energy

14. directional antenna

15. radiate

16. beam

17. search light

18. portion

19. to reflect

20. visual readable signal

21. fluorescent screen

22. within

23. to sweep across

24. predetermined interval of time

25. constant velocity of light

26. simple means

27. accuracy

28. both … and

29. elevation

30. by means of

31. directional antenna

32. to enable

33. three-dimensional

34. entirely safe

35. as well as

36. harbor

37. to prevent collision

38. regardless of night or weather

39. mountain ranges

40. poor visibility

More Words to Learn

1. to provide

2. to observe

3. subtle chase

4. to occur

5. spectrum (spectra)

6. beyond

7. broadcast

8. frequency

9. kilocycle

10. megacycle

11. vibrating current

12. in order to

13. to approach

14. to fan out

15. to feed(fed ,fed)

16. to lie

17. to design

18. to flow ceaselessly

19. to defect

Unit 7

Vocabulary Bank

1. unusual ability

2. to work out

3. occasionally

4. relativity

5. everyday affairs

6. Planck’s quantum theory

7. express

8. equation

9. roughly

10. the square of the speed of light

11. to push

12. to declare

13. circumstance

14. constant quality

15. entirely

16. to attack

17. to defend

18. conclusion

19. to refuse

20. to grow slowly but surely

21. unified field theory

22. to include

23. to provide

24. intense work

25. mysterious force of gravitation

26. to combine

27. electronic valve

28. to describe

29. development

30. statement

31. logical explanation

32. to mention

33. to award

34. honorary title

35. increase of human knowledge

36. solid

37. to control forces of light and energy

38. pure

39. absorption

40. research

41. while

More Words to Learn

1. ignorant

2. however

3. to foresee

4. destructive power

5. worthwhile contribution

6. originally

7. legacy

8. interest

9. judge

10. numerous

11. to share

12. to suggest

13. to extend

14. time lag

15. instantaneous

16. resultant emission

17. incident beam

18. to conceal

19. to display

20. property

Unit 8

Vocabulary Bank

1. vast expanse of water

2. thoroughly

3. surface currents

4. to chart

5. to border

6. carefully

7. until recently

8. to disclose

9. to bring to light

10. dozens

11. complicated ocean research

12. criss-cross

13. to be engaged in

14. measuring instrument

15. to induce

16. because of

17. earth’s magnetic field

18. to reveal

19. floor of the ocean

20. deep trench

21. to obtain

22. acute profile

23. to survey

24. moreover

25. depth

26. to take specimen

27. soil

28. inaccessible

29. origin of the ocean bed

30. inch

31. remote geological past

32. investigation

33. greatly

34. to expand

35. relationship

36. to exist

37. heat

38. technique

39. tide gauge

40. aid

More Words to Learn

1. to drop

2. pool

3. outward

4. to observe

5. former position

6. upward and downward motion

7. rather than

8. to fasten

9. jerk

10. to impart

11. medium

12. to diminish

13. to cease

14. tuning fork

15. prong

16. alternately

17. recede

18. inversely

19. amount

20. decrease

Unit 9 РТ