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工程技术方案比选
当一个项目存在多种备选的工程技术方案时,按照工程经济学的分析方法选择适当的经济评价指标,对多个方案的经济效益进行比较,选出具有最佳投资效果方案的过程。
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ultra-red
ultraregular space
ultraregular topology
ultrarelativistic
ultra-relativistic electron
ultra-relativistic particle
ultrarelativistic particle
ultra-relativistic quantum molecular dynamics model
ultra-relativistic quantum molecular dynamics model, UrQM
ultrareliable
ultra-scan
ultrascheme
ultra-sensitivity
ultrasensitivity
ultra-shallow junction ion implantation
ultrashort antenna
ultra short baseline localization
ultra short base line positioning
ultra short baseline positioning system
ultra short laser pulse
ultra-short laser pulse
ultrashort laser pulse
ultra short optical pulse width calibration
ultra-short-period binary
ultra-short-period B star
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