“orientation sub”的概念、定义、翻译、参考文献-科学参考

单词	orientation sub
释义	orientation sub Encyclopedia 工学定向井工具释 orientation sub钻井定向接头为陀螺测斜仪、随钻测斜仪等测量仪器提供固定方向坐放位置的配套工具。
随便看	developmental counseling developmental curriculum developmental deformation developmental disability developmental disorder developmental disruption developmental dyslexia developmental evaluation developmental genetics developmental goal of museum developmental history of Chinese vocational education developmental history of geography developmental immunology Developmentalism developmental language disorder developmentally appropriate curriculum developmental malformation developmental mechanisms of medicinal resources developmental molecular markers of medicinal resources developmental norm developmental origins of health and disease developmental pedagogy developmental phase developmental physiology developmental plasticity

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。