This paper described the method of measuring ~(125)I absolute activity for coi-ncidence pulse-height distribution with the well-type NaI(Tl)detector.是什么意思_This paper described the method of measuring ~(125)I absolute activity for coi-ncidence pulse-height distribution with the well-type NaI(Tl)detector.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句