“master sample”概念、定义、翻译-科学时代

单词	master sample
释义	人口学词汇手册 master sample （人口普查的）标准样本
随便看	pack hole pack horse pack house pack ice pack ice pack in double acceptors packing packing packing packing packing packing packing packing packing packing a jury packing and labeling regulation packing and labelling regulation packing and presentation packing box packing box assembly packing case packing charge packing charge packing cost

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。