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history of earth evolution
释义
history of earth evolution
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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system of forces
System of four ethnic classes
system of frames of reference
system of free evaluation of evidence through inner conviction
system of functional equations
system of functional inequalities
system of functions
system of fundamental solutions
system of fundamental units
system of generators
System of Government Officials of the Han Dynasty
system of gravitational units
system of groups
system of homogeneous linear equations
system of hyperbolic equations
system of hyperbolic partial differential equations
system of hypercomplex numbers
system of imposing fee on pollution discharge
system of imprimitivity
system of independent functions
system of indices
system of inequalities
system of integral equations
system of integrated environmental and economic accounting
system of integrity
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