“second integral”概念、定义、翻译-科学时代

单词	second integral
释义	数学词汇手册 second integral 二次积分
随便看	hold the mean hold time hold time hold time hold to maturity hold torque holdup hold-up hold-up foot rail holdup holddown roof hold-up problem hold-up protection holdup tank holdup vessel hole hole hole hole hole hole hole hole and pad stitch hole-basis system hole borer hole bottom region

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。