焦面：光线经过镜头后形成清晰影象的平面。
Focal plane: The plane where light entering a lens forms a sharp image.
第二章重点研究《聊斋志异》从文字到影象的转换。
The second chapter studies the transformation from the text to image of Strange Tales of a Lonely Studio.
当然还有很多障碍，包括增加电影和播出三维影象的预算。
Many stumbling blocks remain, however, including the added costs of filming and broadcasting 3-d images.
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