Types and dimensions of prefocus caps
GB/T2800-1981预聚焦式灯头的型式和尺寸
Gauges of prefocus caps
GB/T6998-1986预聚焦式灯头的量规
autofocus zoom lens
自动聚焦变焦距镜头
To adjust or come to a focus.
使聚焦调整或达到焦点
focus-coil assembly
电磁聚焦组件;聚焦线圈系统;聚焦线圈系统
(of an image) not in or brought into focus.
（指图像）没有聚焦。
Multi-focus Image Fusion Based on Automatic Focus Algorithm
基于自动聚焦算法的多聚焦图像融合
Zoom in on the learner and zoom in on the text;
聚焦学习者 聚焦文本——《综合教程》简介
Focusing Properties of Beams: Focal Shift, Focal Switch and Phase Shift;
光束的聚焦特性研究：焦移，焦开关和相移
Focal switch effect of focused Bessel-Gaussian beams
聚焦贝塞尔-高斯光束的焦开关效应
Effective Fresnel Number and Focal Shifts of Focused Cylindrical Light Beams;
聚焦柱面光束的等效菲涅耳数及焦移
autofocus 35mm camera
自动聚焦35毫米相机
magnetically focused cascade image intensifier
磁聚焦级联像增强器
circular-focused dynode system
圆周聚焦式倍增系统
mask focusing colour tube
荫罩聚焦彩色显像管
deflecting focusing coil for camera tube
摄像管偏转聚焦线圈
horizon focussing
水平聚焦 -电离层的
AG-focused accelerator
交变梯度聚焦加速器