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abbr.
温度系数(=Temperature Coefficient)
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abbr.
锝(=technetium)
Noun:
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a crystalline metallic element not found in nature; occurs as one of the fission products of uranium
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a permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌