“机密分类账”概念、定义、翻译-科学时代

单词	机密分类账
释义	商务词汇手册机密分类账 private ledger; secret ledger
随便看	background radiation background radiation background radiation monitoring background ray background reading background reading background response background scene background sound background source background stain background survey background task background value back guide bar (BGB) back gun backhand drainage backhand welding backhand welding backhaul back-haul backhaul cable back-haul rate back hearth backheating

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。