“relative frequency”概念、定义、翻译-科学时代

单词	relative frequency
释义	人口学词汇手册 relative frequency 相对频数
随便看	boric acid boric acid boric acid boric acid ester boric anhydride borickite boride boride boride europium boriding boriding boring boring boring boring boring boring boring bar boring bar boring bit boring casing boring dust boring frame boring head boring head

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。