“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	natural capital natural cause theory natural cheese natural circulation natural circulation boiler start-up natural circulation steam generator natural class natural coke natural colloid natural color natural color cocoon natural color silk Natural Color System natural color system natural communication network natural complex natural computing natural connection natural conservation law natural constraint natural control natural convection natural convection heat transfer natural convection in enclosure natural convection in infinite space

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。