名词
中文翻译：主要印章
同义词：
['primary seal', 'primary stamp', 'primary sealing device']
例句：
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1. The primary seal of the company is its commitment to excellence.
公司的首个印章是其对卓越的承诺。
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2. The primary seal on the passport is the name and date of birth.
护照上的首个印章是姓名和出生日期。
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3. The primary seal of the document is the signature of the official.
文件的首个印章是官方签名。