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focal distance

美英

na.【物】焦距
网络焦点距离；透镜的焦距；对焦焦距

focal distance

focal distance

英-汉网络释义

focal distance

na.

1.【物】焦距

1

In measuring the focal distance of lens , the experimental accuracy is often affected by the poor quality in the formation of images.

在测量透镜焦距时，往往由于成像质量差而影响实验的精度。

2

The eye that has no focal distance voicelessly opens , and northern wild strong eyes four eyes are inverse.

毫无焦距的眼，静静的张开，和北野烈的眼眸四目相对。

4

The authors have reported two methods for measuring the efficient focal distance of the laser rod lenses .

提出几种计算和测量激光棒负透镜等效焦距的方法。

5

Design of Annular Lens Dark Field Vertical Illumination System and Its Focal Distance Offset Characteristics

环形透镜暗场落射照明系统设计及其焦移特性的研究

6

Design method of the ring-focus antenna with a variable focal distance for forming an elliptic beam

椭圆波束变焦距环焦天线的设计方法

7

"Focal distance " indicates the distance from radiographic source center to the film ;

“焦距 ”为射线源中心到胶片的距离；

8

the optimal focal distance of the main body is obtained and the digital image is shot ;

获得该主体的最佳焦距，并拍摄一数字图像；

9

Using Spectrometer to Measure with Precision the Focal Distance of Concave Mirror

用分光仪精确测定凹透镜焦距

10

the shooting focal distance of the sectional images is analyzed ;

分析该些区域图像的拍摄焦距；

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