Focal length is the distance between optical centre and principal focus.

Figure 4. Relationship Between Focal Length, FOV, Sensor Size, and Working Distance.

图4. 焦距, 视野FOV, 感应器大小, 和工作距离间之关系.

A typical lens has a focal length ( f ) of 625 mm.

常见镜头的焦距 ( f ) 为625毫米.

Determine the focal length of your lens.

决定你镜头的焦距.

This photogragh is shot by lens with a long focal length.

这张照片是用长镜头拍摄的.

After many experiments on the scanner's focal length error which makes up his mind.

众次测验考试后,差扫描仪的焦距差错也不离心洋有数了.

The focal length of the camera lens plays an important role in photo criteria.

摄影机镜头的焦距在摄影规范中起着重要的作用.

This dissertation at meeting the needs of designing long focal length space camera.

本文主要研究了长焦距三反射式望远物镜的设计.

The percentage depends on the conditions, shutter speed and focal length.

二者的比例取决于拍摄时的情况, 快门速度和焦距.

The focal length is set to Flat stitch in the Properties window.

焦距在特性窗囗中被设定成平坦的一针.

A novel technique for self calibration of cameras with varying focal length is introduced.

提出一种运动变焦相机分步自标定的方法.

The easiest way to get a pleasing background is to focal length and a wide aperture.

背景也是一副图片的重要元素之一;通常背景应该尽有可能的干净,不然很容易干扰对主体的注意力.

In what sense was the discovery of America a focal point in history?

从什么意义上讲美洲的发现是历史上的一个重大事件 呢 ?

Chengdu thanked the regiment already arrive at Dalian in today, prepared this focal point competition.

成都谢联队在今天已经到达了大连, 准备这场焦点比赛.

In the playbill is writing clearly with the big words's character: " focal point sports event. "

海报上清楚地用大字号的字书写着: “ 焦点赛事. ”

It'seems like age is a very sensitive focal point in Chinese people's addressing.

看来﹐年龄是中国人称谓中的一个非常敏感的焦点.

Likelihood gibberish is much, cut a focal point now, unscramble the promotion method of graph king!

可能废话多了, 现在切入重点, 解读图王的推广手段!

Focal point and dynamics of managing models and confirming the stakeholder management through the ration.

通过定量管理模型确定对各利益相关者管理的重点和力度.

Want to realize correct market fixed position, so that stress a focal point, form fist.

要实现正确的市场定位, 以便突出重点, 形成拳头.

In a men's singles second round focal point competition.

在男单第二轮的一场焦点比赛中.

The focal point of our discussion was the need for action.

我们讨论的中心是采取行动的必要性.