“rise-span ratio”概念、定义、翻译-科学时代

单词	rise-span ratio
释义	水利水电词汇手册 rise-span ratio 矢跨比，高跨比
随便看	sunflower seed oil sunflower seed oil sun-generated electric power sunglasses sun god sun god sungrazer sungrazing comet sun gun sun-heat sun-heated pit sun intensity analysis sunipia sunk capital sunk cord sewing sunk cost sunk cost sunk cost sunk cost sunk cost bias sunk cost bias sunk cost effect sunk cost fallacy sunk cost trap sunk drift-net

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。

rise-span ratio