1.
Of or relating to a focus.
焦点的焦点的或与焦点有关的
2.
A Survey of Studies on Focus;
焦点、焦点结构及焦点的性质研究综述
3.
Focus-to-film distance(f.f.d)
焦点-胶片距离(焦距)
4.
To adjust or come to a focus.
使聚焦调整或达到焦点
5.
Placed at or measured from a focus.
焦点上的设置在焦点上的或从焦点处测量的
6.
(optics) having two foci.
（光学）有两个焦点。
7.
focus of action awareness
动作意识焦点 动作意识焦点
8.
Identification of Unmarked Focus and Marked Focus;
无标记焦点和有标记焦点的确定原则
9.
The act or result of causing a lens to deviate from accurate focus.
散焦，去焦使透镜偏离准确的焦点的行为或结果
10.
To converge on or toward a central point of focus;be focused.
集中于焦点在中心焦点或向中心焦点集中；被集聚
11.
Focal length: The distance between the centre of a lens and its principal focus.
焦距:镜头中心与其主焦点的距离。
12.
Having the same focus or foci. Used of a lens.
共焦的有共同焦点的。用于透镜
13.
flat-top plastic bifocal
平顶塑料双焦点透镜
14.
The focus of this photograph isn't very sharp.
这张照片的焦点不清晰。
15.
actinic focus
【物理】光化学线焦点
16.
country focus policy
以国家为焦点的政策
17.
bifocal chord of a quadric
二次曲面的两焦点弦
18.
The pay increase is the key point of contention.
加薪是争论的焦点。