“无磁钻具”的概念、定义、翻译、参考文献-科学参考

单词	无磁钻具
释义	无磁钻具 Encyclopedia 工学定向井工具释 nonmagnetic drilling tool无磁钻具采用没有磁性或者弱磁性的合金材料而制作的钻铤、钻杆和扶正器等器械。
随便看	quadratic module quadratic non-residue quadratic non-residue modulo m quadratic optimization quadratic performance index quadratic phase array quadratic polynomial quadratic programming quadratic programming problem quadratic rate of convergence quadratic rate of increase quadratic reciprocity quadratic reciprocity law quadratic reciprocity theorem quadratic recurrence equation quadratic representation quadratic residue quadratic residue modulo m quadratic residue symbol quadratic residue theorem quadratic risk quadratic root quadratics quadratic sieve quadratic sine

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。