The corresponding size of an SVG image is smaller as compared to that of the bitmap images which are required to achieve the same effect.

要达到同样的效果，SVG图像的大小要小于位图。

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The corresponding bitmap must be at least 50 x 50 pixels in size, or 2,500 individual pixels.

那么对应于位图的尺寸必须至少有 50 x 50 个像素，也就是 2,500 个像素。

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Vector images can be blown up to any size without loss of quality. Raster (or Bitmap) images become jagged when made larger.

矢量图无论放大多少都不会损失图片质量，而光栅图(或位图)一旦放大就会出现锯齿。

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