“寻北器”的概念、定义、翻译、参考文献-科学参考

单词	寻北器
释义	寻北器 Encyclopedia 工学大地测量仪器释 north-finding instrument;polar finder寻北器用于简易天文定向的北极星观测件。又称北极星观测器、北天极寻找器。
随便看	road traffic safety preparedness road traffic safety publicity road traffic security road traffic sign road traffic signal controller road traffic signals road traffic system road transit online ticketing road transportation development road transportation employee road transportation for bulky cargo road transportation of dangerous goods road transportation of open pit road transportation operation permit road transportation safety road transport organization and management road transport volume roadworthiness certificate of motor vehicle roak Roald Amundsen Roald Hoffmann roaming Roaming along the Pond roaming reaction Roamnce at the Turning of Five Dynasties and Northern Song

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。