The focal spot sizes can immediately influence picture definition when X-ray machine carry through clairvoyance and photography.

焦点的尺寸大小及聚焦质量直接影响X射线机透视、摄影图像的清晰度；

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This paper points out that the TV line frequency has significant action on spectrum and certain influence upon picture definition.

本文指出行频对电视频谱特性起重要作用，对图象清晰度有一定的影响。

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The present invention has following advantages of improving picture definition and brightness of a color picture tube, simplifying manufacturing technique and reducing production cost.

本发明具有以下优点：提高彩色显象管的画面清晰度与鲜艳度。生产工艺简化，降低生产成本。

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So in order to maintain a credible currency which is the picture definition of a gold standard, governments would necessarily avoid major deficits.

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Digitally restored from high resolution film elements in perfect high-definition picture and perfect high-definition sound for the first time ever, Universal Classic Monsters: The Essential Collection brings together the very best of Universal's legendary monsters-imaginative and technically groundbreaking tales of terror that launched a uniquely American movie genre.

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