“two step mining”的概念、定义、翻译、参考文献-科学参考

单词	two step mining
释义	two step mining Encyclopedia 工学回采工艺释 two step mining两步骤回采在回采过程中，将采区或矿块划分为矿房和矿柱，第一步骤回采矿房，第二步骤回采矿柱的回采方式。
随便看	Red Rock redroot pigweed Reds red Samite with Heart-shaped design and Persian Script red sandalwood red sandalwood chessboard red sandalwood southern guanmao armchair red satellite Red Sea red sea-aden rift red sea bream red seabream red seabream iridoviral disease red-sensitive plate red shift redshift redshift-angular diameter relation redshift-apparent magnitude diagram redshift controversy redshift correction redshift cutoff redshift-distance relation redshift distortion redshift effect redshift evolution

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。