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uranium-239
释义
uranium-239
Encyclopedia
理学
放射性元素
释
uranium-239
铀-239
铀的质量数为239的同位素,符号,简写为239U。
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Radio Astronomy
radio astronomy
Radio Astronomy Explorer
radio astronomy satellite
radio astrophysics
radio audience share
radioautocontrol
radioautogram
radioautograph
radioautography
radio-automatic synthesis system
radio background
radio background radiation
radiobeacon
radio beacon - differential global positioning system
Radio Beam
radio binary
radiobioassay
radiobiochemistry
radiobiological effect
radiobiology
radio block center
radio bridge
radio brightness
radio brightness distribution
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