“development operation”的概念、定义、翻译、参考文献-科学参考

单词	development operation
释义	development operation Encyclopedia 工学开拓工程释 development operation开拓工程为进行矿床地下开拓，使地表与矿床之间形成一条完整的提升、运输、通风、排水、供水、动力供应、充填等生产服务系统，从地表向地下掘进的一系列通达矿体的井巷工程。
随便看	law of growth law of Hortensius law of hypothetical syllogism law of idempotency law of identity law of identity for equivalence law of identity for implication law of importation law of importation and exportation law of independent assortment law of indices law of industrial revitalization law of inertia law of infectious disease control law of insurance law of integral exponents law of intermediate metals law of intermediate temperature law of international organizations law of international technology trade law of international watercourses law of isochronism law of isomorphisms law of iterated logarithm law of labour safety and hygiene

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。