“震击类工具”的概念、定义、翻译、参考文献-科学参考

单词	震击类工具
释义	震击类工具 Encyclopedia 工学修井工具释 shock tools震击类工具在卡点附近造成一定频率的震击，来协助被卡管柱和工具解卡的工具。
随便看	second derivative test discriminant second development second difference second differential second differential parameter second differentiator second distance second dual second dual module second dual space second economics adjustment of China second eigenfunction second electron emission Second Emperor of Qin Dynasty Second Empire of Brazil second factor second fall-line second Fermat point second field free region second field-free region second field free region (2nd FFR) second field-free region (2nd FFR) second filial generation second five-year plan of China second form of barycentric Lagrange interpolation formula

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。