focal length是什么意思_focal length的中文翻译|音标|读音|用法|短语例句|近反义词

1、

The unsteadiness of air becomes prohibitive only if instruments with large focal length are used.

只有在使用长焦距的仪器时,才不允许空气的不稳定.

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2、

The focal length differs with the thickness of the lens.

焦距长底随透镜的厚度而变化.

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3、

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.

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4、

When evaluating the focal length, all the images are turned upside down.

当评估焦距的时候, 所有的图像颠倒被转.

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5、

You can set focal length for Lens distortion compensation.

您可以为镜头失真补偿焦距.

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6、

The scanner's baseline correction including focal length adjustment and brightness, contrast white balance, color, tuning, etc.

扫描仪的基准订侧包含焦距调度和平度、差比度、不暗不均、颜色调校等.

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7、

C: Can I control the focal length?

我能控制焦距吗 ?

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8、

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.

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9、

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

常见镜头的焦距 ( f ) 为625毫米.

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10、

Based on these, a novel method for long focal length measurement is presented, which is achieved by calculating the angle of Moire fringes formed by Talbot image of one Ronchi grating and another Ronchi grating.

在此基础上，本文提出了通过Ronchi光栅的Talbot效应形成Moiré条纹，由Moiré条纹的转角来计算长焦距透镜焦距值的方法。

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11、

The focal length of a given lens is different for different colors.

一个特定的透镜的焦距因颜色的不同而不同.

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12、

And even among lenses of equal focal length and aperture, there are differences.

甚至即使是同样焦长度和光圈的镜头仍有不同.

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13、

Manufacturing for ruling concave metal grating with a long focal length

机械刻划长焦距凹面金属光栅的研制

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14、

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.

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15、

Determine the focal length of your lens.

决定你镜头的焦距.

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16、

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.

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17、

Study of Focal Length Measurement of Fourier Lens With Spectral Analysis Method

频谱分析法测量傅里叶透镜焦距的研究

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18、

On the basis of Talbot effect of Ronchi grating, the influence of temperature on the stability of the measuring system of long focal length has been theoretically analyzed.

基于Ronchi光栅的泰伯效应，在理论上分析了温度场的波动对长焦距测量系统稳定性的影响。

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19、

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.

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20、

Design of long focal length space optical system with three reflective mirrors

长焦距空间三反光学系统的设计

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21、

In this paper a method for measuring the long focal length of lenses is described. The principle of the method is based on Talbot interferometry.

报道测量透镜长焦距的一种方法，测量原理是Talbot干涉。

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22、

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.

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23、

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.

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24、

A New Method to test Focal Length Using Fourier Spectrum

一种利用傅立叶频谱测量透镜焦距的新方法

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25、

At present, some difficulties are encountered in measurement of long focal length of lens.

目前, 透镜长焦距的有效测量还存在一些难题.

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26、

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

这张照片是用长镜头拍摄的.

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27、

Design of wide angle space optical systems of long focal length

大视场、长焦距空间光学系统的设计

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28、

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

焦距就是镜片中心和焦点之间的距离.

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29、

Focus: plane of focus; focal length ; and depth of field.

焦距: 焦点平面, 焦距和景深.

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30、

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.

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