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

单词	spiral sampling design
释义	spiral sampling design Encyclopedia 理学【基本概念】释 spiral sampling design螺旋式矩阵抽样将施测目标中的项目螺旋循环往复式指派给群体内的个体的抽样方法。
随便看	collective ownership of rural land collective pinning collective pinning model collective plasma collective procurement collective reading collective responsibility collective risk model collective risk theory collective rotation Collective security policy collective security system of the United Nations collective security theory Collective Security Treaty Organisation collective self collective self-determination collective self-esteem collective society on sino-Japanese war’s historical document collective support collective trademark collective training for students from different opera classes collective unconscious collective unconsciousness collective vibration collective violence

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。