“自由民局”的概念、定义、翻译、参考文献-科学参考

单词	自由民局
释义	自由民局 Encyclopedia 历史学美国历史释 Freedmen’s Bureau自由民局美国内战即将结束时，联邦政府建立的专门管理黑人（实际也包括白人）事务的机构。全称难民、自由民及弃置土地局，隶属陆军部，局长为O.O.霍华德。
随便看	ship automatic tracking ship autopilot ship ballast water management system shipboard aircraft flight test shipboard integrated power system shipboard launch shipboard oil pollution emergency equipment shipborne marine gravity survey shipborne marine magnetic survey shipborne navigation radar shipbuilding equipment shipbuilding industry ship buoyancy ship carpet ship characteristics ship discharge monitoring system ship domain ship dynamic positioning ship dynamic positioning control system ship dynamic positioning system ship dynamic positioning system classification ship dynamic positioning system positioning ability ship electric propulsion ship emission control areas ship emission inventory

科学参考收录了854744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。