“direction bias sampling method”概念、定义、翻译-科学时代

单词	direction bias sampling method
释义	数学词汇手册 direction bias sampling method 方向偏倚抽样方法
随便看	universe product code universe product code--universe product code (UPC) universe product code (UPC) universities and colleges university university university administration university annex university appointments boards university autonomy university autonomy university catalogue university characteristics university circle university city university college university community center university community centre University Corporation for Advanced Internet Development (UCAID) university council university council for educational administration university degree university degree university department of adult education university departments of drama

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。