“economic service life”的概念、定义、翻译、参考文献-科学参考

单词	economic service life
释义	economic service life Encyclopedia 工学工程经济学释 economic service life经济寿命资产从投入使用开始，随着使用价值的降低和维护费用的升高，导致继续使用该资产在经济上不再合理而被更新所经历的时间，即资产的等额年总成本（包括购置成本和运营成本）最低，或等额年净收益最高的期限。经济寿命是由有形磨损和无形磨损共同决定的，通常小于资产的自然寿命。
随便看	rock mass rock mass classification rockmass classification of dam foundation rock mass damage rock mass deformation rock mass deformation experiment rock mass deformation in dam foundation rock mass deformation stability in dam foundation rock mass evaluation rock mass failure rock mass measurement technique Rock mass parameters inversion analysis theory rock mass quality rock mass quality classification for dam foundation rock mass rating rock mass reinforcement rock mass seepage mechanics rock mass sliding stability in dam foundation rock mass stability rock mass strength rock mass strength experiment rock mass structure cybernetics rock mass support and reinforcement theory rock mechanics rock mechanics experiment

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。