“parsec”的概念、定义、翻译、参考文献-科学参考

单词	parsec
释义	parsec Encyclopedia 理学天体的距离释 parsec；pc秒差距量度天体距离的单位。 Physics 交叉学科天体物理学 parallax second, parsec, PC秒差距 parsec秒差距天体距离的单位，1 秒差距为 3.26 光年 Mathematics parsec秒差距 Astronomy parsec全称：parallax second。秒差距
随便看	land type land type map land unit landup performance of carrier-based aircraft land usage permit system land use land use and cover change Land Use and Land Cover Change Project land use arrangement planning of central city area land use classification land use control land use control system land use conveyance land use degree land-use density land used for industry and mining storage purposes land used for public manegement and service land used for special purposes land-use division land use engineering land use information land use intensity land use management land use map land-use model

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。