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F 开头的英语单词（共 143,619 个）
focusing performance
聚焦性能
focusing point
聚集点
focusing point radiometer camera
焦式辐射照相机
focusing potentiometer
焦聚电位器
focusing power supply
[电] 聚焦电源
focusing probe
焦探头
focusing quadrupole magnet
聚焦四极磁铁
focusing range
对焦范围
focusing reflector
聚焦反射器
focusing regulation
聚焦调整
focusing regulator
聚焦调节器
focusing ring
聚焦环;调焦环;调焦圈
focusing rod
聚焦杆
focusing scale
聚焦标尺;聚焦调节刻度
focusing screen
对焦屏
focusing screens
[摄] 对焦屏，聚焦屏；毛玻璃
focusing screw
对光螺旋,定影[聚焦调节]螺丝
focusing slide
调焦滑筒, 对焦定位片
focusing Soller-slit system
聚焦邵勒缝隙系统;苏莱尔调焦狭缝系统
focusing spectrometer
聚焦分光计
focusing study
集中学习
focusing surface
聚焦面
focusing system
聚焦系统
focusing telescope
聚焦节距镜
focusing travel
移动对焦
focusing tube
聚焦管
focusing tube of camera
[电影] 摄影机调焦管
focusing type filament
聚光灯丝,预置焦点灯丝