“quadratic equation”概念、定义、翻译-科学时代

单词	quadratic equation
释义	数学词汇手册 quadratic equation 二次方程
随便看	time constant of detector time constant of object time-consuming time contour time-contour analysis time-contour map time controller time converter time copy time correction time-correction factor time correlation time correlation time cost time cost time cost time costs time credit time credit time-current threshold time cut-off time cut-out timed backup timed delivery time-definite delivery

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。