This paper presents the analysing accuracy of uranium content by delayed neutron method is up to 0.2 ppm and the relative error is less than 15%.是什么意思_This paper presents the analysing accuracy of uranium content by delayed neutron method is up to 0.2 ppm and the relative error is less than 15%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句