“二次支护”的概念、定义、翻译、参考文献-科学参考

单词	二次支护
释义	二次支护 Encyclopedia 工学巷道支护释 secondary support二次支护井巷掘进中采用分次支护时，在一次支护完成后再次施工的支护。又称永久支护、后期支护。理学地下工程支护释 secondary support二次支护在初期支护稳定后完成的提供安全储备或承载后期围岩压力的支护形式。
随便看	noise equivalent irradiance noise equivalent power noise equivalent temperature noise equivalent temperature difference noise equivalent temperature difference, NETD noise(explosion) induced hearing loss noise factor noise figure noise figure analyzer noise fluctuation noise-free receiver noise generator noise hygienic standard for industrial enterprises noise immunity noise induced hearing loss noise killer noisekiller noiseless noiseless channel noiseless coding noiseless duel noiselessness noise level noise limit for household appliance noise limit for industrial equipment

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。