“降低等级”概念、定义、翻译-科学时代

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。

单词	降低等级
释义	旅游词汇手册降低等级 downgrade
随便看	interplanetary flight interplanetary flight interplanetary gas interplanetary grain interplanetary laser communications interplanetary light interplanetary magnetic field interplanetary magnetic field interplanetary magnetic field--interplanetary magnetic field （IMF） interplanetary magnetic field line interplanetary magnetic field （IMF） interplanetary matter interplanetary matter interplanetary medium interplanetary meteor interplanetary navigation interplanetary navigation interplanetary orbit interplanetary particle interplanetary photography interplanetary plasma interplanetary plasma interplanetary probe interplanetary rocket interplanetary scattering