“第四纪”的概念、定义、翻译、参考文献-科学参考

单词	第四纪
释义	第四纪 Encyclopedia 理学第四纪释 Quaternary Period第四纪地球发展历史的最新阶段，时间范围从距今258.8万年持续至今。 Biology Quaternary第四纪
随便看	threatened preterm labor threatened species threat estimation threat identification threat monitoring threat of coalitions threats to biodiversity threat strategy Three three accesses & two platforms three affliction Three-Age System Three Antis Movement and Five Antis Movement three-arc illusion three-area nine-region pulse-taking method three awards and one subsidy three-axial ellipsoid three-axis coordinate system Three axis handheld stabilizer three axis magnetic logging device three axis magnetometer three-axis mount three-axis mounting three-axis stabilized attitude control system three-axis stabilized control

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。