astigmatism
音标发音
- 英式音标 [əˈstɪɡ.mə.tɪ.zəm]
- 美式音标 [əˈstɪɡ.mə.tɪ.zəm]
- 国际音标 [ə'stiɡmətizəm]
- 英式发音
- 美式发音
基本解释
- n. [眼科] 散光；[光][电子] 像散性；[光][电子] 像散现象
同根派生
- adj性质的同根词
- astigmatic：散光的；乱视的；矫正散光的。
- n性质的同根词
- astigmia：散光。
英汉例句
- Maybe you fall asleep in class because of uncorrected astigmatism.
也许你在课堂上睡觉是因为你的眼睛散光. - They have what is called astigmatism.
他们有所谓散光. - Under astigmatism even narrow parallel light beams will not combine into one point.
有象散存在时甚至很窄的平行光束都不能会聚在一点. - Maybe you fall asleep in class because of uncorrected astigmatism.
也许你在课堂上睡觉是因为你的眼睛散光. - Under astigmatism even narrow parallel light beams will not combine into one point.
有象散存在时甚至很窄的平行光束都不能会聚在一点.
词组短语
- myopic astigmatism 近视散光
- cornea astigmatism 角膜散光
- astigmatism change 散光变化
- pathological astigmatism 病理性散光
- astigmatism monitor 像散控制器
短语
英英字典
- a fault in the lens of the eye that reduces the quality of sight, especially a fault that stops the eye from focusing
- If someone has astigmatism, the front of their eye has a slightly irregular shape, so they cannot see properly.
剑桥英英字典
柯林斯英英字典
专业释义
- 散光
- 像散
In this paper,the method of matrix optics is employed to study the transformation properties of astigmatic elliptic Gaussian beams,the exact formulas of correcting astigmatism and rotary symmetrize transformation in Semiconductor Laser beams are derived.
本文利用矩阵光学方法研究像散椭圆高斯光束的变换特性，推导出正确的半导体激光束的校正像散与旋转对称化变换公式。 - 像差现象
- 象散现象
- 象散性
- 像散性
- 像散现象
- 散光
- 像散
The three-mirror astigmatism systems have the merit of less components, no obscuration, long focal length, big field coverage, wide spectrum, excellent stray light eliminating ability, and high modulated transfer function output.
其中，三反射消像散非球面光学系统具有组件少、无遮拦、长焦距、大视场、宽波段、抑制杂光能力强、调制传递函数高等优点，所以也正是目前的研究热点和技术难点。 - 像散性
- 像散现象
- 像差现象
- 象散现象
- 象散性
- 像散性
- 纵横像差