“射线束聚焦”概念、定义、翻译-科学时代

单词	射线束聚焦
释义	请查阅射线束聚焦--电子束聚焦
随便看	evening primrose evening-primrose evening primrose evening primrose oil evening professional course evening programme even-ingredient prescription evening roll call evening school evening sector evening session evening show Evening Standard evening star evening star evening stock evening student evening theatrical evening tide evening tide evening training evening twilight evenkite even lot even lot

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。