“polar finder”的概念、定义、翻译、参考文献-科学参考

单词	polar finder
释义	polar finder 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	precautionary demand for money precautionary principle precautionary principle of biosafety assessment precautionary principle of EMF precaval vein precedance relation in dependency tree precedence precedence function precedence grammar precedence method precedence relation precedent anthologies precedent as reference in a trial preceding preceding limb preceding spot preceding sunspot Preceramic Period preceramic polymer precess precessing-disk model precession precessional constant precessional motion precession circle

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。