“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	Cosmic Background Explorer cosmic background explorer Cosmic Background Explorer satellite Cosmic Background Imager cosmic background radiation cosmic background radiation, CMBR cosmic brightness cosmic catastrophe cosmic censorship cosmic censorship conjecture cosmic censorship hypothesis cosmic chemistry cosmic cloud cosmic constant cosmic critical density cosmic dark ages cosmic deceleration cosmic density field cosmic density parameter cosmic diffuse infrared background cosmic distance cosmic distance ladder cosmic downsizing cosmic dust cosmic dust detection

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。