“first supporting”的概念、定义、翻译、参考文献-科学参考

单词	first supporting
释义	first supporting Encyclopedia 工学巷道支护释 first supporting一次支护在软岩（土）层、较破碎的不稳定岩层或高地应力地层中掘进巷道与硐室，为保障施工安全并维护井巷的长期稳定，开挖后初次进行的支护。又称初次支护。
随便看	harmonic perspectivity harmonic polar harmonic polar curve harmonic polar line harmonic pole harmonic polynomial harmonic position harmonic power harmonic progression harmonic proportion harmonic quadrilateral harmonic quadruple harmonic quadruple of lines harmonic quadruple of planes harmonic quadruple of points harmonic range harmonic range of points harmonic ratio harmonic representative harmonics harmonic scalar field harmonic segment harmonic sequence harmonic series harmonic series of primes

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。