“second officer”概念、定义、翻译-科学时代

单词	second officer
释义	旅游词汇手册 second officer 二副
随便看	particle mass concentration particle measurement particle method particle model particle momentum particle movement particle number concentration particle number efficiency particle of relation particle optics particle-orbit effect particle-particle correlation particle--particle（Part.） particle path particle path particle physics particle picture particle population inversion particle precipitation zone particle radiation particle radiation particle radiation particle radiation damage particle ray particle reinforced resin matrix composite

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。