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abbr.
钚(=plutonium)
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abbr.
推進裝置(=propulsion unit)
Noun:
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a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
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上述介紹獨家創作實踐,受巨著權保護的,侵權商標必究
海詞漢語詞典,十六年項目