“period-radius relation”概念、定义、翻译-科学时代

单词	period-radius relation
释义	天文学词汇手册 period-radius relation 周径关系
随便看	airport airport airport airport advertising airport book kiosk airport book store airport bus airport code airport construction fee airport liability coverage airport lounge airport of departure airport of destination airport surveillance radar airport surveillance radar--airport surveillance radar（ASR） airport surveillance radar（ASR） airport survey airport tariff airport tax airport tax air power air powered locomotive air precaution air preheater air preheater

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。