“focal sphere”的概念、定义、翻译、参考文献-科学参考

单词	focal sphere
释义	focal sphere 焦球
随便看	touch starching touchstone touch switch touch tabulator key touch tack touch threshold Touch-Tone touch-tone data service touch tone dialing touch-tone type key touch trigger probe touch upon touch welding touchwood tough tough alloy steel tough bronze tough cathode tough consistency tough copper tough(copper) cake toughen toughened glass toughened glass insulator toughened glass suspension insulator

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。