“performance number”的概念、定义、翻译、参考文献-科学参考

单词	performance number
释义	performance number [pǝr`fȯr·mǝns ´nǝm·bǝr] ^ENGINEERING One of a series of numbers (constituting the PN, or performance-number, scale) used to convert fuel antiknock values in terms of a reference fuel into an index which is an indication of relative engine performance; used mostly to rate aviation gasolines with octane values greater than 100.
随便看	atomic polarization atomic power plant atomic radius atomic reactor atomic rocket atomic scattering factor atomic second atomic spectroscopy atomic spectrum atomic standard atomic stopping power atomic structure atomic surface burst atomic susceptibility atomic theory atomic time atomic underground burst atomic underwater burst atomic unexcited state atomic units atomic vibration atomic volume atomic weapon atomic weight atomization

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