“duration of frost-free period”概念、定义、翻译-科学时代

单词	duration of frost-free period
释义	环境科学与工程词汇手册 duration of frost-free period 无霜期
随便看	solar space vehicle solar spectral flux solar spectrograph solar spectrum solar spectrum solar spectrum solar spectrum solar spectrum solar spectrum solar spectrum solar spectrum irradiancy solar spicule solar spot solarspot solar spot prominence solar star solar system solar system solar system solar system solar system solar system object solar telescope solar telescope solar term

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。