“multi-stage random sampling”的概念、定义、翻译、参考文献-科学参考

单词	multi-stage random sampling
释义	multi-stage random sampling Encyclopedia 农学分级随机抽样法释 multi-stage random sampling分级随机抽样法将总体看为不同级别大小的抽样单元组成，然后对不同级别的抽样单元分级进行随机抽样的方法。又称多级随机抽样法、多阶段随机抽样法、巢式随机抽样法。
随便看	Rococo Rococo costume Rococo gardens rococo style rocuronium ROC曲线 rod rod-and-frame apparatus rod and wire continuous casting and rolling rod-arithmetic rodball mill rod bipolar cell rod cell rod-climbing effect rod-climbing phenomenon rod coil block copolymer Rodent Biology rodent caused wasteland rodent community on grassland rodent control Rodent Damage for farmland in South China Rodent Damage for Southern Fruit Tree Rodent Damage for Vegetable Rodent damages in corn fields Rodent damages in cotton fields

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。