英语词汇focal power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

focal power

释义

focal power

简明释义

倒焦距；光焦度；屈光本领

网络释义

1
?光焦度
... 贝克线Becke line 光焦度focal power 屈光度diopter ...
2
[光]?焦度
... 焦点仪 focimeter 焦度 focal power 焦度计 lensometer ...
3
?倒焦距
... focal circle 焦圆 focal power 倒焦距,屈光本领... focal spot 焦斑 ...
4
?焦点
... 焦面快门 focal plates, reticles 焦点 focal power 焦度 focal ratio ...

短语

1
zero focal power corrector
无光焦度校正器
2
non-focal-power aberration compensator
无光焦度像差补偿器
3
focal aperture power
倒焦距

双语例句

1
For example, a telescope with a focal length of 2000mm has twice the power and half the field of view of a 1000mm telescope.
比如，与焦距为1000mm的望远镜相比，2000mm焦距望远镜的放大率和视场范围分别是前者的2倍和1/2。
2
By assuming the weak lens focal length expression to be the first term in a power series a simple and accurate formula can be derived for the objective focal length of a magnetic electron lens.
用假设弱透镜焦距表达式是一个幂级数中的第一项的方法，可以导出相当准确且便于实用的电磁电子透镜物镜焦距公式。
3
National focal points often have limited authority and very little access to a country's true power base.
国家归口单位的权限往往十分有限，极少可以接近国家的真正权力基础。

同近义词

倒焦距；[光]光焦度；屈光本领
dioptric power

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单词	focal power
释义	focal power 简明释义倒焦距；光焦度；屈光本领网络释义 1 ?光焦度 ... 贝克线Becke line 光焦度focal power 屈光度diopter ... 2 [光]?焦度 ... 焦点仪 focimeter 焦度 focal power 焦度计 lensometer ... 3 ?倒焦距 ... focal circle 焦圆 focal power 倒焦距,屈光本领... focal spot 焦斑 ... 4 ?焦点 ... 焦面快门 focal plates, reticles 焦点 focal power 焦度 focal ratio ... 短语 1 zero focal power corrector 无光焦度校正器 2 non-focal-power aberration compensator 无光焦度像差补偿器 3 focal aperture power 倒焦距双语例句 1 For example, a telescope with a focal length of 2000mm has twice the power and half the field of view of a 1000mm telescope. 比如，与焦距为1000mm的望远镜相比，2000mm焦距望远镜的放大率和视场范围分别是前者的2倍和1/2。 2 By assuming the weak lens focal length expression to be the first term in a power series a simple and accurate formula can be derived for the objective focal length of a magnetic electron lens. 用假设弱透镜焦距表达式是一个幂级数中的第一项的方法，可以导出相当准确且便于实用的电磁电子透镜物镜焦距公式。 3 National focal points often have limited authority and very little access to a country's true power base. 国家归口单位的权限往往十分有限，极少可以接近国家的真正权力基础。同近义词倒焦距；[光]光焦度；屈光本领 dioptric power
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