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Task 4. Define whether the following statements are true or false
and translate them. Correct the false ones according to the text.

1. Modern EDMIs display distances in digital form.
2. EDMIs aren’t now incorporated with theodolites.

3. Tapes can simultaneously and automatically measure both
distances and angles.
4. EDMI can be mounted on its own tripod or a theodolite.
5. Electronic data loggers can be attrached to EDMI for automatic

recording of survey data.
6. Medium waves, ultraviolet waves are useful for the distance
measurement.

7. Infrared wave instruments were called tellurometers.
8. In light wave instruments amplitude modulated infrared waves
are used.

ІІ. LEXICAL EXERCISES

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

1. ___ provide inter-point distances over any a) graduated tapes
distance and without the need for inter-
visibility, but the procedure is somewhat more

complex.

2. ___ determine lengths using phase changes b) Theodolite
that occur as electromagnetic energy of known
wavelength travels from one end of a line to the

other end and returns.
3. ___ can simultaneously and automatically c) GPS
measure both distances and angles. measurements
4. EDMI can be mounted in a variety of ways, d) Infrared Wave

either on its own tripod, or more commonly on a Instruments
___.
5. ___ make use of micro waves. e) Light Wave

Instruments
6. In ___ amplitude modulated infrared waves f) EDMI
are used.
7. ___ rely on propagation of modulated light g) Pacing

waves.
8. For very rough reconnaissance surveys or h) Field-to-finish
approximate estimates ___ may be suitable. systems

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