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裂变径迹法定年
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裂变径迹法定年
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fission track dating
裂变径迹法定年
根据对原子核裂变碎片在非导体(如天然硅酸盐矿物和天然玻璃)中留下的辐射损伤痕迹的密度和形态等的测量测定地质年龄的方法。
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free differential calculus
free diffusion
free distance
Freedman
Freedman,Michael H.
Freedman theorem
Freedmen’s Bureau
Freedom And Accountability: Safeguarding Free Expression Through Media Self-Regulation
Freedom Communications
Freedom for Us
freedom of assembly and association
freedom of communication
freedom of contract
freedom of cultural activities
freedom of information
Freedom of Information Act
freedom of press
freedom of procession and demonstration
freedom of religious belief
freedom of speech
freedom of strike
Freedom of the People
freedom of will
Freedom Ride
freedoms of the air
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