“secondary support”的概念、定义、翻译、参考文献-科学参考

单词	secondary support
释义	secondary support 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	Third Cinema third-class hospital third contact third cosmic velocity third critical filed third critical magnetic field third critical magnetic filed third curvature third five-year plan of China Third Force Party third fundamental form third generation computer Third Generation Director third generation language third generation language, 3GL third generation low light level (LLL) image intensifier third generation sequencing third-generation sequencing third generation sequencing techniques third generation solar cell Third-generation Writers third group isomorphism theorem third harmonic third harmonic generation third integral

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。