“城市燃气供应系统”的概念、定义、翻译、参考文献-科学参考

单词	城市燃气供应系统
释义	城市燃气供应系统 Encyclopedia 工学基础设施规划释 urban gas supply system城市燃气供应系统向城市中居民住宅、商业办公、工业、供热制冷企业等各类用户供应燃气的工程设施系统。
随便看	directed broadcast address directed circuit directed closed path directed complete graph directed complete partial order directed complete partial order, DCPO directed convex polyomino directed cycle directed design directed diffusion directed distance directed downward set directed ear directed edge directed-edge sequence directed energy deposition directed evolution directed family directed family of points directed family of sets directed flow directed forgetting directed graph directed graph; digraph directed graphics

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。