In fact,the three codes are standard ones extensively used worldwide for decades in nuclear reactor engineering design,nuclear reactor radiation shielding safety analysis and other fields of nuclear energy research.是什么意思_In fact,the three codes are standard ones extensively used worldwide for decades in nuclear reactor engineering design,nuclear reactor radiation shielding safety analysis and other fields of nuclear energy research.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句