“二次积分”概念、定义、翻译-科学时代

单词	二次积分
释义	数学词汇手册二次积分 second integral
随便看	layering capability layering capability layering model layering plant layering root system layer insulation layer insulation layer lattice layer lattice layer lattice layerlike crack layer line layer management layer manuring layer material layer medium layer mining layer mining ploughing layer-mixing ploughing layer of no motion layer of oxide layer of vine layer plating method layer plating method layer protective glass

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。