“露天转地下开采”的概念、定义、翻译、参考文献-科学参考

单词	露天转地下开采
释义	露天转地下开采 Encyclopedia 工学露天与地下联合开采释 transition from surface mining to underground mining露天转地下开采前期用露天采矿法开采矿床上部矿体，然后过渡到用地下采矿法开采矿床下部矿体的开采方式。
随便看	L-isomorphism Li Song LiSong of Bamboo Slips Collected by Shanghai Museum Li Songtang Lisp Lisp语言 LISS Lissajou figure Lissajous figure Lissajous orbit Lissajous pattern list Li star list-book of burial objects list chromatic number list-chromatic number list coloring list decoding list diseases Listed Brief Biographies of Qing Dynasty Painters listening listening and smelling Listening and speaking teaching method listening for information listening for pleasure

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。