Pach
abbr. plane aberration-correcting holographic grating 平面像差校正全息光栅
🗣️ 情景例句
It turned out he was Michael's father.
原来他是麦克的父亲。
Christmas comes but once a year.
佳节良辰，机会难得。
employing full-time technicians and run on specially-written software.
雇用专职的技师，而且得用专门编写的软件才能运行。