“main beam”概念、定义、翻译-科学时代

单词	main beam
释义	天文学词汇手册 main beam 主波束，主射束
随便看	projectile proper projectile-shaped rocket projecting line projection projection projection projection projection projection projection projection projection projection projection projection projection projection projection projection projection projection projection algorithm projection alteration projection angle projection axis

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。