“事后分层”的概念、定义、翻译、参考文献-科学参考

单词	事后分层
释义	事后分层 Encyclopedia 理学数据收集模式释 post-stratification事后分层先从总体中抽取一个样本量为的样本，然后对样本中的单元按某些特征进行分层的分层方法。
随便看	flight hazardous weather flight health management flight height flight illusion flight information region flight information service flight line of aerial photography flight management system flight managment system flight mechanics Flight Opeation Center flight operation control flight path angle of aircraft flight performance flight performance management flight performance of aircraft flight performance reserve flight plan of aerial photography Flight process flight profile flight recorder flight schedule flight separation flight sequence flight service

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。