英语词汇focus length怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词

focus length

释义

focus length

简明释义

焦点长度

网络释义

1
?焦点长度
... Focal distance焦距 Focus length焦点长度 Focus size焦点尺寸 ...
2
?焦距
... florescent 荧光灯 focus length 焦距 foreground 前景 ...
3
?焦
... 信噪比\ S/N 焦距\ Focus length 最大光圈比\ Max.Aperture Ratio ...
4
?聚焦长度
... Focus electron 电子焦点聚焦电子束 Focus length 焦点长度 聚焦长度 Focus size 焦点尺寸聚焦尺寸 ...

短语

1
Effective Focus Length
有效焦距
2
long focus length
长焦距
3
Focus length measure
焦距检测

双语例句

1
In this experiment, we use two gratings with the same frequency to generate Moire fringes and use them to measure the long focus length of lens.
本实验是利用两块空间频率相同的黑白光栅产生的莫尔条纹来测量长焦距透镜的焦距。
2
When zoom lens are used for military sighting, the drift of optical center caused by the change of focus length will reduce the sighting accuracy severely.
长焦变焦镜头用于军事瞄准时，变焦过程中较大的光中心漂移，降低瞄准精度。
3
The adverse projection measuring method reverse the position of object and image in the imaging system of lens, it overcome back focus length and resolution power limitation.
逆投影法颠倒镜头成像系统物和像的位置，克服了手机镜头后焦、像素等的限制。

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单词	focus length
释义	focus length 简明释义焦点长度网络释义 1 ?焦点长度 ... Focal distance焦距 Focus length焦点长度 Focus size焦点尺寸 ... 2 ?焦距 ... florescent 荧光灯 focus length 焦距 foreground 前景 ... 3 ?焦 ... 信噪比\ S/N 焦距\ Focus length 最大光圈比\ Max.Aperture Ratio ... 4 ?聚焦长度 ... Focus electron 电子焦点聚焦电子束 Focus length 焦点长度聚焦长度 Focus size 焦点尺寸聚焦尺寸 ... 短语 1 Effective Focus Length 有效焦距 2 long focus length 长焦距 3 Focus length measure 焦距检测双语例句 1 In this experiment, we use two gratings with the same frequency to generate Moire fringes and use them to measure the long focus length of lens. 本实验是利用两块空间频率相同的黑白光栅产生的莫尔条纹来测量长焦距透镜的焦距。 2 When zoom lens are used for military sighting, the drift of optical center caused by the change of focus length will reduce the sighting accuracy severely. 长焦变焦镜头用于军事瞄准时，变焦过程中较大的光中心漂移，降低瞄准精度。 3 The adverse projection measuring method reverse the position of object and image in the imaging system of lens, it overcome back focus length and resolution power limitation. 逆投影法颠倒镜头成像系统物和像的位置，克服了手机镜头后焦、像素等的限制。
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