“random sample”的概念、定义、翻译、参考文献-科学参考

单词	random sample
释义	random sample Mathematics See sample. Statistics See sample. Economics A sample of a population, chosen by some method which ensures that every member of the population has an equal chance of being picked. See also quota sample; stratified sample.
随便看	Hairy Ball Theorem Haise, Fred Wallace, Jr (1933– ) Haiti Haiyang-1B hake Haken, Wolfgang hakspek Hakucho halation HALCA haldane Haldane estimator Haldane, John Burdon Sanderson Haldane, John Burdon Sanderson (1892–1964) Haldane, John Scott Haldane, Richard Burdon, Viscount Haldane of Cloan (1856–1928) Halder, Franz (1884–1972) Haleakala Observatory Hale, Alan Hale cycle Hale, George Ellery Hale, George Ellery (1868–1938) Hale Observatories Hales, Stephen Hale Telescope

科学参考收录了60776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。