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A spacial digital watermarking approach is presented based on information theory and perceptual characteristics, in which perceptual characteristics are used to adaptively set related parameters of watermarking in the image space.
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摘要提出了一种将信息理论和感官特性相结合的数字水印空间实现方法，该方法通过感官特性在图像空间中自适应设置数字水印的相关参数。 |
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A spanner should be pulled towards you - not pushed. If it is pushed and the nut suddenly breaks loose, then you can fall forward.
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用扳手时，用向身体内侧用力拉，不要向外推，要不，螺母一断会让人向前摔倒。 |
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A spark set the woods on fire.
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星星之火使整个森林燃烧起来。 |
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A spark touched off the gunpowder.
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一粒火星引起了火药爆炸。 |
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A sparkling city like Rio, Paris or London is your cup of tea.
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里约热内卢、巴黎和伦敦正好符合你的标准。 |
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A sparkling white wine, originally produced in Champagne.
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香槟：原产于法国香槟区的一种起泡白葡萄酒（或白汽酒）。 |
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A sparkling wine made the same way as Champagne with Pinot Blanc, Pinot Gris, Pinot Noir, Riesling or Chardonnay.
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一种气泡酒与法国香槟的酿造法一样，用白皮诺、灰皮诺、黑皮诺、雷司令和霞多利酿造。 |
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A sparrow cannot understand the ambition of a swan.
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燕雀安知鸿鹄之志。（天鹅也有“野心”啊？） |
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A sparrow fluttering about the church is an antagonist which the most profound theologian in Europe is wholly unable to overcome.
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在教堂附近飞来飞去的麻雀，是为欧洲学识最深的神学家们完全无法克服的敌手。 |
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A spasm is a spontaneous, abnormal contraction of a muscle. When it occurs in the back near the spinal cord or the nerve roots, it can be very painful.
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所谓背部痉挛是背部肌肉的突发非正常收缩。如果正好发生在脊椎或神经附近的话会非常痛苦。 |
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A spasm or fit; a convulsion.
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阵发痉挛或短暂发作；抽搐 |
