“正洞超前导洞法”的概念、定义、翻译、参考文献-科学参考

单词	正洞超前导洞法
释义	正洞超前导洞法 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	differential equation with time lags differential equation with total differential differential equation with variable coefficients differential evolution differential evolution algorithm differential expansion differential expansion monitor differential exponent differential expression differential expression of elastic mechanical problem differential extension differential extension ring differential-extremal differential fiber differential field differential flat systems differential flexure differential form differential form of Joule law differential form of Ohm law differential form theory differential function differential-functional equation differential gain differential galactic rotation

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。