“neutral density disc”的概念、定义、翻译、参考文献-科学参考

单词	neutral density disc
释义	neutral density disc 中性滤光片
随便看	ball collar thrust bearing ball condenser ball contact tip ball coupling ball cover ball crank ball crank handle ball crusher ball cutter ball distance ring ball-driving contact-type air plug gauge balled balled iron balled plant balled planting ball end mill Ballentine hartester baller balleting Ballets sign ball faced hexagonal nut ball feeder ball finishing ball fist ball flashing machine

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。