“系统随机样本”的概念、定义、翻译、参考文献-科学参考

单词	系统随机样本
释义	系统随机样本 systematic random sample
随便看	speed-up playback speed-up press-button speed up theorem speed-variable pump speed variation speed-variator speed variator speed voltage speed voltage generator speedway speedy cableway speedy construction method speedy-cut speedy design method speedy drivage spegazzinine speical purpose utility program speise speiss speiss cobalt Spekker absorptiometer Spelaeogriphacea spelaeology spelaeo-meteorology speleochronology

科学参考收录了1248194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。