1) наблюдение; визуальное наблюдение; визуальный контроль
2) результат наблюдений
3) геод. отсчёт; замер
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to make observation — брать отсчёт
- aerial observation
- aerodrome observation
- aerological observations
- air observation
- asynoptic observations
- back observation
- background observations
- ballon observations
- bogus observations
- buoy observations
- current-meter observation
- delayed-mode observations
- delayed observations
- echo-sounding observations
- endoatmospheric observations
- exoatmospheric observations
- field observation
- fore observation
- generated observations
- global observations
- ground-based observations
- ground observations
- ground-truth observations
- human observation
- hydrological observations
- imaging observations
- in-cloud observations
- intermediate synoptic observations
- lidar observation
- long-term observations
- manual observation
- meteorological observations
- motion-picture observation
- near-continuous observations
- nonimaging observations
- noninstrumental observation
- observation of work
- occultation observations
- orbiting astronomical observations
- ozonometric observations
- perennial observations
- photographic observation
- plot observations
- principal synoptic observations
- pseudo observations
- radar observations
- radarsonde observations
- radiometric observations
- radiosonde observations
- radiowind observations
- rain-gage observations
- rawinsonde observations
- rejected observations
- remotely sensed observations
- rocket-sonde observations
- satellite observations
- sensory observation
- ship observation
- simulated observations
- space-based observations
- space observations
- spacecraft observations
- surf observations
- surface-derived observations
- surface observations
- surrounding observations
- synoptic observations
- truncated observations
- upper-air observations
- visual observation
- water-level observations
- weather observations
- window radiance observations