This led to corner cutting and - with surprising frequency - falsification of data.
其结果导致投机取巧了，伪造数据资料，其频繁程度使人吃惊。
This led to corner cutting and-with surprising frequency-falsification of data.
其结果导致投机取巧了，伪造数据资料，其频繁程度使人吃惊。
It can provide effective protection for digital media forgery, falsification, authentication, security and intactness by embedding a special mark (digital watermark) into the multimedia data.
它主要通过在媒体信息中嵌入标记信号(数字水印)，为媒体信息在防伪、防篡改、认证、保障数据安全和完整性等方面提供有效的技术手段。
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