“contingent duty”的概念、定义、翻译、参考文献-科学参考

单词	contingent duty
释义	contingent duty 应变关税
随便看	line of fusion line of gravity line of impact line of induction line of intensity line of level line of magnetic force line of magnetic induction line of magnetization line of motion line of movement data line of normal curvature line of pipes line of policy line of position line of projection line of quickest descent line of ram stroke line of reference line of resistance line of return line of right ascension line of roll forming line of same dip line of segragation

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。