“Trajan's Column”概念、定义、翻译-科学时代

单词	Trajan's Column
释义	历史学词汇手册 Trajan's Column （意大利）图拉真柱（古罗马皇帝图拉真113年建造）
随便看	radar altimetry radar astronomy radar astronomy radar aurora radar beacon radar beam-riding guidance device radar bombing radar calibration radar cross-section radar cross section radar dome radar foreshortening radar fuze radargrammetry radar image radar imagery radar indicator tube radar instrumentation network radar look-directions radar meteorology radar monitoring radar overlay radar overlay radar photography radar precision forging

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。