“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	contradictory set of formulas contradictory theory contradirectional coupling Contrafactum contraflexure contra-flow contragradience contragradient contragradient automorphism contragradient composition contragradient isomorphism contragradient linear transformation contragradient mapping contragradient matrix contragradient module contragradient representation contragradient set contragradient transformation contragredient contragredient automorphism contraharmonic mean contraindicated during pregnancy contraindicated in diet contraindication of Chinese medicinal use contraindication of pattern

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。