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Altay
(Encyclopedia)Altay: see Altai, mountain system, Asia. ...national grasslands
(Encyclopedia)national grasslands: see National Forest System. ...nodes of Ranvier
(Encyclopedia)nodes of Ranvier: see nervous system. ...celestial equator
(Encyclopedia)celestial equator: see equatorial coordinate system. ...European Currency Unit
(Encyclopedia)European Currency Unit: see European Monetary System. ...encounter theory
(Encyclopedia)encounter theory, in astronomy, see solar system. ...international gold standard
(Encyclopedia)international gold standard: see international monetary system. ...Mitchell, Mount
(Encyclopedia)Mitchell, Mount, peak, 6,684 ft (2,037 m) high, W N.C., in the Black Mts. of the Appalachian system; highest peak E of the Mississippi River. ...Tien Shan
(Encyclopedia)Tien Shan, mountain system: see Tian Shan. ...echo sounder
(Encyclopedia)echo sounder, an older instrumentation system for indirectly determining ocean floor depth. Echo sounding is based on the principle that water is an excellent medium for the transmission of sound wave...Browse by Subject
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