“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	Mach, Ernst Machhapuchhre machiavellianism Machida Kasho Machilus Evergreen Broadleaf Forest Alliance Group Machin machinability machinable ceramics Machina Electrica machine machine-agitation leaching of mineral material machine-aided human translation machine-aided human translation, MAHT machine-aided indexing machine-aided translation machine-aided translation, machine-assisted translation, MAT machine-assisted translation machine back electronic view finder machine back touch screen viewfinder machine body assembly machine breakdown machine check interrupt machine code machine command machine computation

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。