“radioactive cobalt”的概念、定义、翻译、参考文献-科学参考

单词	radioactive cobalt
释义	radioactive cobalt [¦rād·ē·ō`ak·tiv `kō´bȯlt] ^{NUCLEAR PHYSICS} Radioactive form of cobalt, such as cobalt-60 with a half-life of 5.3 years.
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