“多阶段抽样”的概念、定义、翻译、参考文献-科学参考

单词	多阶段抽样
释义	多阶段抽样 Encyclopedia 理学抽样调查释 multistage sampling多阶段抽样经过多个阶段抽取最终接受调查单元的抽样方法。理学【基本概念】释 multi-stage sampling多阶段抽样把从总体中抽取样本单位的过程分为几个阶段进行的抽样方法。又称分段抽样或多级抽样。
随便看	improper orthogonal matrix improper orthogonal transformation improper partial graph improper plane improper point improper principal ordinal improper prior improper quadric improper quotient object improper rational function improper refinement improper representation improper rotation improper rotation group improper sales behavior improper set improper singularity improper subalgebra improper subclass improper subgraph improper subgroup improper submodule improper subobject improper subset improper subspace

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。