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II. LEXICAL EXERCISES

Task 1. Complete the sentences according to the texts above.

a) coordinate system, b) the Vertical Datum, c) geodetic latitude,

d) local coordinate systems, e) geodetic longitude, f) the Horizontal

Datum, g) orthogonal axes,h) global coordinate systems.

1. ___ is a set of numbers which identifies a position in space.
2. ___ have their origin severally defined by the various
Nations and organizations that adopt them.

3. René Descartes introduced the system of coordinates based
on ___.
4. ___ have their origin at the geo-centre (Centre of mass of

the Earth).
5. ___ - angle between a reference plane and a plane passing
through the point, both planes being perpendicular to the equatorial
plane.

6. ___ define the relationship between the physical Earth and
horizontal coordinates such as latitude and longitude.
7. ___ - angle from the equatorial plane to the vertical

direction of a line normal to the reference ellipsoid.
8. ___ is a collection of specific points on the Earth with
known heights either above or below the mean sea level.

Task 2. Match the English words and word-combinations
with the Ukrainian counterparts.

1. Geodetic datum а) середній рівень моря

2. Equatorial plane a) напрям осі
3. Rotation axis b) лінія азимута
4. Prime meridian c) головна піввісь

5. Direction of axis d) допомагати досліднику
6. Azimuth of line e) площина екватора
7. Semi-major axis f) нульовий меридіан
8. To aid surveyor g) мареограф

9. Mean sea level h) геодезичні параметри
10. A tide gauge i) осі обертання

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