“natural abundance”的概念、定义、翻译、参考文献-科学参考

单词	natural abundance
释义	natural abundance [`nach·rǝl ǝ`bǝn·dǝns] ^NUCLEONICS The abundance ratio of an isotope in a naturally occurring terrestrial sample of an element.
随便看	horizontal range horizontal resolution horizontal retort horizontal retort process horizontal retrace horizontal return tubular boiler horizontal-ring drilling horizontal-rolled-position welding horizontal scanning horizontal scanning frequency horizontal screen horizontal separation horizontal separator horizontal silo horizontal sweep horizontal sweep transformer horizontal synchronizing pulse horizontal system horizontal transmission horizontal-tube evaporator horizontal vee horizontal vibrating needle horizon tracker hormesis hormogonium

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