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

单词	radioactive clock
释义	radioactive clock [¦rād·ē·ō`ak·tiv `kläk] ^{NUCLEAR PHYSICS} A radioactive isotope such as potassium- 40 which spontaneously decays to a stable end product at a constant rate, allowing absolute geologic age to be determined.
随便看	savory oil SAW saw saw bit saw-cut sawdust sawdust concrete sawfish saw gumming sawhorse sawing sawmill sawtooth barrel sawtooth blasting sawtooth crusher sawtooth floor channeling sawtooth generator sawtooth modulated jamming sawtooth pulse sawtooth roof sawtooth stoping sawtooth waveform sax saxicolous Saxifragaceae

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