英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

achromatism    
n. 无色;消色

无色;消色

achromatism
n 1: the visual property of being without chromatic color [synonym:
{colorlessness}, {colourlessness}, {achromatism},
{achromaticity}] [ant: {color}, {coloring}, {colour},
{colouring}]

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • achromatic optics – lens doublets, apochromats, achromatism, chromatic . . .
    The property of being achromatic (essentially insensitive to wavelength changes) is called achromatism Achromatic optics, in particular doublet and triplet achromatic lenses, have been invented and used already in the eighteenth century, and are very widely used in modern optical technology
  • Achromatic lens - Wikipedia
    Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus on the same plane Wavelengths in between these two then have better focus error than could be obtained with a simple lens
  • ACHROMATIC Definition Meaning - Merriam-Webster
    The meaning of ACHROMATIC is refracting light without dispersing it into its constituent colors : giving images practically free from extraneous colors How to use achromatic in a sentence
  • Achromats Selection Guide: Types, Features, Applications - GlobalSpec
    Achromats are optical lenses designed to minimize chromatic aberration Achromats are also known as achromatic lenses Chromatic aberration is a type of optical distortion which occurs when a lens fails to focus all colors to the same convergence point
  • Achromatopsia: Color Blindness and Other Vision Issues - Cleveland Clinic
    With achromatopsia, you have limited or no color vision plus serious vision issues In addition to being color blind, you may be sensitive to bright light and have low vision Treatments aim to manage symptoms and maximize independence What is achromatopsia? Achromatopsia is an inherited vision disorder that limits your ability to see color
  • Achromatopsia: Symptoms, Causes and Treatment - All About Vision
    Achromatopsia is a condition that affects both eyes It generally does not progress, meaning that a person’s vision typically does not worsen over time due to this disorder Like most types of color blindness, achromatopsia results from a problem within the retina
  • Achromatopsia - GeneReviews® - NCBI Bookshelf
    Achromatopsia is characterized by reduced visual acuity, pendular nystagmus, increased sensitivity to light (photophobia), a small central scotoma, eccentric fixation, and reduced or complete loss of color discrimination
  • Achromatism in lenses - Ray Optics, Physics - eSaral
    If two or more lenses be different colors are in the same position and of the same size, then the combination is called 'achromatic combination of lenses, and this property is called 'achromatism' In practice, both types of chromatic aberrations cannot be removed for all colors
  • ACHROMATISM
    Elimination of Chromatic Aberration is known as Achromatism When two or more lenses are combined together in such a way , then the combination is free from Chromatic Aberration





中文字典-英文字典  2005-2009