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natural radioelement
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natural radioelement
Encyclopedia
理学
放射性元素
释
natural radioelement
天然放射性元素
最初是从自然界中发现而不是用人工方法合成的放射性元素。天然放射性元素有钋、氡、钫、镭、锕、钍、镤和铀8个元素。
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full factorial design
full faithful functor
full flag
full flag structure
full-floating mandrel mill
full-flow staged combustion liquid rocket engine
full form
full form sculpture
full-frame CCD
full frame digital camera
full functor
full grain leather
full group
full group of automorphisms
Full History of Great Vietnam
full homomorphism
full hybrid electric
full-hydraulic power control system
full image
full imbedding
full implicit method
fulling
full inhomogeneous Lorentz group
full invariance
full invariant series
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