“technical and economic calculation of gas pipe network”的概念、定义、翻译、参考文献-科学参考

单词	technical and economic calculation of gas pipe network
释义	technical and economic calculation of gas pipe network Encyclopedia 工学燃气管网技术经济计算释 technical and economic calculation of gas pipe network燃气管网技术经济计算为了使燃气管网具有较好的经济指标，通过对诸多管网设计方案进行经济比较选出最佳方案的过程。
随便看	density hypothesis density independence density-independent natural selection density inversion of gravity anomaly density inversion of gravity gradient density jump density logging density logging device density matrix density matrix renormalization group density matrix renormalization group theory density maxima density measurement density measurement using interferometry density measurement with schlieren method density measurement with shadow method density meter density method density metrology density metrology technology density modulation density of a distribution density of a double layer density of a graph density of a probability distribution

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。