从这里看舞台，你的视野会受到遮挡。

You won't get a clear view of the stage from here.

《牛津词典》

然而，由于重构出的目标图像中叠加了前景遮挡物的离焦图像，因此其对比度受到严重影响。

However, the reconstructed images suffer from degraded contrast due to the superimposition of foreground defocus blur.

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