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Mariinsk System

(Encyclopedia)Mariinsk System: see Volga-Baltic Waterway. ...

heliocentric system

(Encyclopedia)heliocentric system: see Copernican system. ...

geocentric system

(Encyclopedia)geocentric system: see Ptolemaic system. ...

gastrointestinal system

(Encyclopedia)gastrointestinal system: see digestive system. ...

integumentary system

(Encyclopedia)integumentary system: see skin.

digestive system

(Encyclopedia)CE5 Digestive system digestive system, in the animal kingdom, a group of organs functioning in digestion and assimilation of food and elimination of wastes. Virtually all animals have a digestive ...

duodecimal system

(Encyclopedia)duodecimal system: see numeration. ...

Copernican system

(Encyclopedia)Copernican system, first modern European theory of planetary motion that was heliocentric, i.e., that placed the sun motionless at the center of the solar system with all the planets, including the ea...

decimal system

(Encyclopedia)decimal system [Lat.,=of tenths], numeration system based on powers of 10. A number is written as a row of digits, with each position in the row corresponding to a certain power of 10. A decimal point...

Continental System

(Encyclopedia)Continental System, scheme of action adopted by Napoleon I in his economic warfare with England from 1806 to 1812. Economic warfare had been carried on before 1806, but the system itself was initiated...