“benefit-to-cost relationship”的概念、定义、翻译、参考文献-科学参考

单词	benefit-to-cost relationship
释义	benefit-to-cost relationship 效益成本关系效益费用关系
随便看	negative diopter negative direction negative dislocation negative dispersion negative displacemenet negative displacement pump negative distortion negative echo negative edge negative effects negative electricity negative electrode negative electron negative electron affinity negative electron affinity image intensifier negative electron affinity (NEA) negative electron affinity photocathode negative electron affinity photoemitter negative element negative empathy negative energy negative energy state negative energy wave negative engraving negative entry

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