“πPS抽样”的概念、定义、翻译、参考文献-科学参考

单词	πPS抽样
释义	πPS抽样 Encyclopedia 理学数据收集模式释 πPS samplingπPS抽样一种样本量固定，且每个单元的包含概率与其规模成比例的不放回不等概抽样。
随便看	Canal+ canal Canal de Tunis Canal de Yucatán canal flood control projects in ancient China Canal Grande canalis canalization works Canalized Channel of Jialing River canal line planning in ancient China canal of Mars canal paresis canal ray canal rays Canals and Inland Waterways canal sedimentation canals of Mars canal surface canal system layout canal system structures canal waters granary canal water supply project in ancient China C-analytic space canard rotor/wing aircraft canaries

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。