“positive ion beam”概念、定义、翻译-科学时代

单词	positive ion beam
释义	核科学技术词汇手册 positive ion beam 正离子束
随便看	standard year stand area age standby stand by stand-by stand by standby standby stand-by standby stand-by standby standby agreement standby arrangement stand-by arrangement (SBA) standby battery standby block stand-by column standby compressor standby credit standby credit standby credit standby credit stand-by duty allowance standby emergency flight control system

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。