“perifocus”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	perifocus
释义	perifocus 近焦点近主焦点
随便看	three-electron gun three-element three-element aerial three-element antenna three-element control three-element filter three-element servo system three energy transient phenomena three-engined three entry connector three equidistant supports three exactly coincident rasters three-eyelet fashion three eyes ripe stage (菠萝) three-factor analysis of variance three feet three feet line (甲板舱口周围划的安全线) three-field generator three-field system three figure compass card three-filter colorimetry (彩色显像管的) three-fingered caliper three-finger loose (地中海式放箭法) three-finger rule three-flanged nail