“机会抽样”的概念、定义、翻译、参考文献-科学参考

单词	机会抽样
释义	机会抽样 Encyclopedia 理学【基本概念】释 opportunistic sampling机会抽样研究人员利用原有知识或经验来确定样本的一种非概率抽样方法。
随便看	differential geometry differential geometry in the large differential geometry of curves differential geometry of manifolds differential geometry of surfaces differential GPS landing system differential GPS technology differential graded algebra differential graded algebra; DG algebra differential graded group differential group differential group delay differential heat conduction equation differential heat of adsorption differential Hebb learning differential ideal differential image motion monitor differential immersion differential inclusion differential incremental backup differential indeterminate differential inequality differential input differential inseparability basis differential-integral

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。