“payback period”的概念、定义、翻译、参考文献-科学参考

单词	payback period
释义	payback period Encyclopedia 工学建筑工程经济释 payback period投资回收期项目投产后获得的收益总额达到该项目投入的投资总额所需要的时间。又称投资回收年限。
随便看	spherical free particle wave function spherical frustum spherical fuel element spherical function spherical galaxy spherical geometry spherical graphite spherical group spherical Hankel function of the first kind spherical Hankel function of the second kind spherical harmonic differential equation spherical harmonic expansion spherical harmonic function spherical harmonic method spherical harmonic oscillator spherical harmonics spherical harmonic tensor spherical helix spherical homology class spherical hypersurface spherical icosahedral-hexagonal grid spherical image spherical image map spherical indicatrix spherical indicatrix of binormal

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。