“four-pi counter”的概念、定义、翻译、参考文献-科学参考

单词	four-pi counter
释义	four-pi counter [¦fȯr `pī ´kau̇n·tǝr] ^ENGINEERING An instrument which measures the radiation that a radioactive material emits in all directions.
随便看	pearlite pearl moss Pearl-Reed curve pearl sinter pearl spar pearlstone pearl white pearly pearly tumor pear-shape cut Pearson Type I distribution pea-soup fog peat peat ball peat bed peat bog peat breccia peat coal peat flow peat formation peat moor peat moss peat-sapropel peat slime peat soil

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