“direction angle”概念、定义、翻译-科学时代

单词	direction angle
释义	天文学词汇手册 direction angle 方向角
随便看	PE (polyethylene) PE (polyethylene) PE (polyethylene) PE (power exchange) PEP (pension equity plan) PEP--PEP (pension equity plan) PEP--PEP (personal equity plan) pepper pepper pepper pepper pepper pepperbush family pepper chicken peppercorn pepper corn peppergrass pepperidge peppermint peppermint peppermint peppermint peppermint essence peppermint humbug peppermint liqueur

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。