You cannot optimize pictures that have a drawing type of format vector graphics vector graphics: The representation of graphic objects such as lines, arcs, and squares by using geometrical formulas.

不能优化具有绘图类型格式矢量图形向量图形：使用几何公式的图形对象的表示形式，如线条、弧形和正方形。

youdao

It also improves support for the XML-based vector graphics standard SVG.

它还改进了对基于XML的矢量图形标准s VG的支持。

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The next thing to play with is vector graphics.

接下来要处理的是矢量图形。

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Something else: Sheetster provides scalable vector graphics (SVGs) that are super quick and rich.

FORBES: Sheetster: Rethinking the Spreadsheet

It supports both raster and vector graphics, TWAIN devices, color separations, and various photo filters.

CNN: Top 10 art tools

It supports both raster and vector graphics, color separations, various photo filters, and the usual text, paint, and draw functions.

CNN: Top 10 hot graphics tools