“opportunistic sampling”的概念、定义、翻译、参考文献-科学参考

单词	opportunistic sampling
释义	opportunistic sampling 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	stable particle stable period stable phase stable point stable polyhedron stable polynomial stable population stable process stable programming stable prominence stable radical polymers stable random sequence stable range stable range condition stable range condition SR_k stable range condition SRk stable rank stable reduction stable reduction theorem stable region stable relation stable resonator stable root stable scale invariance stable scale-invariance

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。