overfocus

Homogeneous Second System of Center-focus Type to System Concluding Parameters;

中心-焦点型齐二次系统参数化简问题

Designed principle of the rotational stand uses for measuring a camber with double focuses;

一种双焦点曲面的测量用转动架的设计原理

A kind of directness arithmetic about conic′s focus;

二次曲线焦点的直接求法

Of or relating to a focus.

焦点的焦点的或与焦点有关的

A Survey of Studies on Focus;

焦点、焦点结构及焦点的性质研究综述

Focus-to-film distance(f.f.d)

焦点-胶片距离(焦距)

To adjust or come to a focus.

使聚焦调整或达到焦点

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

(optics) having two foci.

（光学）有两个焦点。

focus of action awareness

动作意识焦点 动作意识焦点

Identification of Unmarked Focus and Marked Focus;

无标记焦点和有标记焦点的确定原则

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

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

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。

Having the same focus or foci. Used of a lens.

共焦的有共同焦点的。用于透镜

flat-top plastic bifocal

平顶塑料双焦点透镜

The focus of this photograph isn't very sharp.

这张照片的焦点不清晰。

actinic focus

【物理】光化学线焦点

country focus policy

以国家为焦点的政策

bifocal chord of a quadric

二次曲面的两焦点弦

The pay increase is the key point of contention.

加薪是争论的焦点。