With a single light source, the most important considerations were its direction and apparent size.
单一光源，最重要的考虑因素是其方向和明显的大小。
Achieving softer light requires making the apparent size of the light source bigger.
柔和的光需要获得明显的大小使光源的大。
Achieving softer light requires making the apparent size of the light source bigger.
柔和的光需要获得明显的大小使光源的大。
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