“螺旋式矩阵抽样”的概念、定义、翻译、参考文献-科学参考

单词	螺旋式矩阵抽样
释义	螺旋式矩阵抽样 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	civex civic culture civic education civic improvement civil administration civil administration in Three Kingdoms regime civil agent ad litem civil aircraft maintenance civil aircraft preliminary design civil air-defence engineering civil air defense shelter civil air defense works fire Civil Air Navigation Services Organization civil airport civil airport ground service civil and commercial intercourse habits survey Civil and Mineral Engineering Building, University of Minnisota, USA civil and structural work of concentrators civil appellate procedure civil aviation Civil Aviation Administration of China civil aviation computer reservation system civil aviation flight Civil Aviation Flight University of China civil aviation law

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。