名词
中文翻译：认证签名
同义词：
['certified signature', 'certified seal', 'certified seal of approval']
例句：
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1. Thecompany's certification signature is required for the project to proceed.
公司需要认证签名才能继续该项目。
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2. The document was signed with a certified signature by the CEO.
该文件由首席执行官以认证签名签署。
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3. The official seal of approval was placed on the new policy document.
官方批准印章被放置在新政策文档上。