“滚雪球式抽样”的概念、定义、翻译、参考文献-科学参考

单词	滚雪球式抽样
释义	滚雪球式抽样 Encyclopedia 理学【基本概念】释 snowball sampling滚雪球式抽样利用若干原始样本提供的信息来获取更多样本，并且以相同方式不断增加样本，直到样本数量达到研究要求的抽样方法。又称链式抽样、推荐抽样。
随便看	geographic information service classification geographic information service composition geographic information service description geographic information service discovery geographic information service registration geographic information service workflow geographic information sharing geographic information standard geographic information system geographic information system software geographic information system visualization geographic information technique geographic information visualization geographic information Web service geographic knowledge geographic landscape geographic latitude geographic literature geographic longitude geographic map geographic markup language geographic markup language, GML geographic meridian geographic mosaic theory of coevolution geographic network analysis

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。