“obligatory annual contribution”的概念、定义、翻译、参考文献-科学参考

单词	obligatory annual contribution
释义	obligatory annual contribution 每年度必须交纳的会费
随便看	cupron cupron cell cupro-nickel cupronickel cuproplatinum cupro silicon cuprotungstite cuprous cuprous acetylide cuprous bromide cuprous chloride cuprous cyanide cuprous fluoride cuprous hydroxide cuprous iodide cuprous oxide cuprous oxide photocell cuprous-oxide rectifier cuprum(29号元素) cupruresis cup seal cup seaming machine cup shake cup-shaped cup-shaped bucket

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。