“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	compound nuclear reaction compound nucleus compound-nucleus decay compound-nucleus elastic-scattering cross-section compound nucleus evaporation reaction compound-nucleus theory compound number compound pendulum compound pigment compound pistil compound Poisson distribution compound Poisson process compound polyhedron compound precision casting technology compound probability compound process compound property prediction compound proportion compound proportional expression compound proposition compound publishing compound quadratic equation compound quadrature function compound radiation compound radio interferometer

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。