“燃气管网技术经济计算”的概念、定义、翻译、参考文献-科学参考

单词	燃气管网技术经济计算
释义	燃气管网技术经济计算 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	symmetry and conserved quantity symmetry axiom symmetry breaking symmetry breaking technique symmetry-broken symmetry class symmetry classification symmetry condition symmetry element symmetry elements symmetry energy symmetry factor symmetry forbidden reaction symmetry function symmetry group symmetry group theory symmetry in \boldsymbol k-space symmetry in classical mechanics symmetry in quantum mechanics symmetry law symmetry measurement symmetry number symmetry of a relation symmetry of crystals symmetry of Lagrangians

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。