“economic specific frictional head loss”的概念、定义、翻译、参考文献-科学参考

单词	economic specific frictional head loss
释义	economic specific frictional head loss Encyclopedia 工学长距离输送热水管网释 economic specific frictional head loss经济比摩阻用技术经济分析的方法，根据供热系统在规定的补偿年限内年总计算费用最小的原则确定的比摩阻。
随便看	random disturbance random dot stereogram random draft random drift random dynamical system random early detection random early detection, RED random effect random effect model random effects model random element random ellipsoid packing random emission random encoding random environment random environment process random equation random ergodic random ergodic theorem random error random event random excitation random experiment random experimental design random factor

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。