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地球演化历史
释义
地球演化历史
Encyclopedia
理学
〔地质总论〕
释
history of earth evolution
地球演化历史
地球形成于约45.6亿年前,历经冥古宙(约46亿~40亿年前)、太古宙(40亿~25亿年前)、元古宙(25亿~5.41亿年前)和显生宙(5.41亿年以来)等时期的无数变革,最终成为今天的面貌。
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markets of production factors
markets of production means
markets of property rights
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Market Strategy
market structure
market structure analysis
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Market testing
Market Theatre
market transition
Market Value Ratio
market volatility
Mark Grigol'vich Krein'
marking
marking device
marking off angles
marking off segments
marking of grazing livestock
marking-recapture method
marking signs construction machinery
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Markit county
Markku Tapio Kulmala
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