accelerator focusing中文什么意思

• 加速欺焦
• 加速器聚焦

• accelerator:    n. 1.加速者；加速器；催速剂。 2.【汽车】加速踏板 ...
• focus:    n. (pl. focuses, foci ) 1.【物 ...
• accelerator with nonlinear focusing:    非线性聚焦加速器
• alternating phase focusing accelerator:    交变相聚焦加速器
• sector-focusing accelerator:    扇形聚焦加速器