“secondary data collection”的概念、定义、翻译、参考文献-科学参考

单词	secondary data collection
释义	secondary data collection Encyclopedia 管理学二手数据收集方法释 secondary data collection二手数据收集方法利用二手数据进行分析的方法。二手数据指那些并非为正在进行的研究项目而是为其他目的已经收集起来的数据。
随便看	farming season prediction farming song farming system Farmington Plan Farmington River farming vacation farm irrigation and drainage system farmland desertification farmland drainage experiment farmland drainage system farmland drainage system design farmlanddrainage system planning farmland eco-economic system farmland environmental quality monitoring farmland fertility monitoring farmland improving machine farmland infrastructure farmland irrigation and drainage farmland irrigation system farmland monitoring farmland nitrogen and phosphorus loss farmland nitrous oxide emission farmland non-point source pollution controlling farmland non-point source pollution control technology farmland obstacle recognition

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。