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理学
放射性元素
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roentgenium
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人工放射性元素,元素符号Rg,原子序数111,半衰期最长的同位素的质量数282。属周期系ⅠB族。为纪念德国物理学家W.K.伦琴[注]而命名。曾被称为111号元素(unununium),符号Uuu。
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discrete distribution function
discrete dynamical system
discrete eigenvalue
discrete element method
discrete element method-computational fluid dynamics
discrete element method, DEM
discrete energy state
discrete ergodic method
discrete error
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discrete event dynamic system, DEDS
discrete event dynamic systems
discrete-event dynamic systems
discrete event simulation
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discrete family
discrete family of sets
discrete family of subsets
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discrete fluid [model]
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