authentication technique的用法和样例：
例句
- In this paper, an image authentication technique by embedding each image with a signature so as to discourage unauthorized copying is proposed.
本文提出了一种图象认证技术，通过在图像中嵌入签名，以防止未被授权的拷贝。 - These standardized authentication techniques are often ample for organizations holding low-risk data, but they are not robust enough for companies handling high-risk data.
这些标准的认证技术对拥有低风险数据的单位而言是够了，但对要处理高风险数据的公司来说还不够保险。
