“prefocused beam”的概念、定义、翻译、参考文献-科学参考

单词	prefocused beam
释义	prefocused beam 预聚焦束
随便看	winding pulley winding reel winding resistance winding roll winding rope winding section winding shaft winding shield winding space winding space factor winding speed winding square winding stair winding stairs winding stem winding support winding tackle winding temperature indicator winding terminal winding tester winding-to-earth capacity winding tube winding up winding-up winding up roller

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。