“pilot study”概念、定义、翻译-科学时代

单词	pilot study
释义	社会学词汇手册 pilot study 先导研究，实验性研究
随便看	distribution control system distribution cost distribution cost distribution cost distribution cost accounting distribution cost analysis distribution cost budget distribution cost rate distribution council distribution curve distribution curve distribution curve distribution curve distribution decision distribution decision distribution diameter distribution discount distribution effect distribution element distribution equipment distribution expense distribution factor distribution fault distribution flow distribution-free method

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。