“inner advance heading method”的概念、定义、翻译、参考文献-科学参考

单词	inner advance heading method
释义	inner advance heading method Encyclopedia 工学正洞超前导坑法释 inner advance heading method正洞超前导洞法在隧道施工之前的正洞截面上的某个部位先行开挖一个断面较小的导洞以探明正洞前方地质情况，最后将导洞扩挖为隧道正洞的方法。
随便看	natural line-width natural linewidth natural link function natural logarithm natural logarithm catacaustic natural logic natural logical deduction naturally cone quasi convex function naturally cone quasi-convex function naturally formed naturally induced naturally ordered naturally ordered group naturally ordered groupoid naturally ordered semigroup naturally reductive space naturally subsidized solar-powered ecosystem natural macromolecule natural magnetic resonance natural mapping natural matrix natural measure natural medicine natural medium natural metric

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。