Moreover noise may disturb image in transmission, so information hiding algorithm must have better noise proof.

另外，图像在处理及传输的过程中会受到噪声的干扰，所以信息隐藏算法要有较好的抗噪声性能。

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As one of the best series doors and Windows, it is leading the standard of airproof, noise proof and energy saving.

作为最高档的门窗系列之一，其气密性、隔音隔热性能等各项指标都名列前茅。

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Load type bearing and oil seal device, and a sound proof clapboard, can effectively prevent the vibration and noise, ensures the processing object is not polluted by oil.

重荷型轴承及油封装置，并有防音隔板，能有效地防止震动和噪音，确保加工物不受油脂污染。

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