1.  raster
2.  optical grating
3.  pattern

• 1. 光栅: grating | raster | FBG | optical grating
• 2. 衍射光栅: diffraction grating | Grating Diffraction | grating | etched diffraction grating
• 3. 光纤光栅: Fiber Grating | FBG

更多释义

• 1.这些主要集中在字体及图形光栅部分。
  This is primarily in font and graphics rasterization.
  dict.yoduao.com
• 2.相对于光栅图片来说，SVG具有很多优势。
  SVG has many advantages over raster images.
  dict.yoduao.com
• 3.这种情形中最大的错误在于使用了光栅图而非矢量图。
  The bigger mistake, in this case, is using raster rather than vector images.
  dict.yoduao.com

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