名词
中文翻译：自我检查数字
同义词：
['self-check code', 'self-check number', 'self-check code number']
例句：
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1.This self-check digit is used to verify the authenticity of the product.
这个自我检查数字用于验证产品的真伪。
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2.The customer service representative instructed me to enter the self-check digit on the product label.
客户服务代表指示我输入产品标签上的自我检查数字。
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3. The manufacturer has implemented a self-check digit system to enhance security and prevent counterfeitproducts.
制造商已经实施了一个自我检查数字系统，以提高安全性并防止假冒伪劣产品。