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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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presidium of the National People's Congress
presious metal nanomaterials
pre-slotted liner
presoak
presoaking
presolar grains
presolar matter
presolar nebula
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pre-sowing irrigation
pre-sowing seed treatment machine
presowing treatment of seed
presowing treatment of tree seed
presplitting
presplitting blasting
presplitting blasting of open pit
Presqu'île crater
PRESS
press
press allowance
Press and America: An Interpretive History of the Mass Media
Press and Publication Administration
Press and Publication Confidentiality System
Press and Publication Digital Resource Identifier, PPRI
Press Association,PA
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